Jane starts to go into labor after insisting that Xo and Rogelio go to Las Vegas for their show.

Jane struggles to find the right words for Rogelio and Xo’s ceremony, when she learns about a mysterious letter that Michael wrote before their wedding. Rogelio and Xo are excited for their big day, but Rogelio gets some shocking news that could put things on hold. Once again Rafael is upset with Luisa and asks her to leave, but Luisa has a plan of her own. Meanwhile, Petra is skeptical about Jane’s feelings for Rafael which leads her to make a rash decision.

Jane's big break looks as if it is too good to be true. Petra finds out a disheartening truth.

Jane is feeling great about all the book publishing prospects she has until an unexpected problem pops up. Petra and Rafael’s working relationship has been going so well that Petra makes Rafael an unexpected offer. It seems like every time Rogelio takes one step closer to his dream, a new roadblock appears.

Jane is excited for her first book tour and brings Xo along for fun, but Alba decides last minute that she is going as well. Things take an unexpected turn at their first stop which makes all three ponder what they should do. Rafael and Rogelio's attempts to take care of Mateo while Jane is away hits a bump, but ultimately might have made things better between them. Meanwhile, Petra thinks she has finally gotten a handle on the hotel, until a new problem arises.

When Jane realizes that she and Michael are both stressed out, they decide to recreate their first date to help them relax. Rogelio makes a big scene on the red carpet of his film premiere and his rant goes viral, which leave him to make a choice about the direction of his career. Rafael wants to set a good example for his children leaving him to make a big decision with the ultimate sacrifice. Meanwhile, Bruce’s daughter finds herself in trouble leaving Xo and Bruce’s to discuss the future of their relationship.

Jane is considering whether or not to take her relationship with Jonathan to the next level and turns to Xo for advice. Xo and Rogelio have their own relationship issues to work out. Meanwhile, as a favor to Rafael, Jane agrees to help Petra by throwing her a baby shower. Luisa is in a terrible car accident, but all is not as it seems. Michael comes to a realization he must share with Jane.

Jane and Michael are back together and Jane wishes she had never left Michael in the first place. Rafael appears to have regressed to his playboy ways and Petra is concerned about him. But Petra is not aware that Rafael is helping Michael find Mutter's other son, Derek. Rogelio's new assistant, Paolo, is actually his stalker Lola. Finally, Petra gives birth to the twins.

With Jane and Xo still dealing with the fallout from Jane's bachelorette party, Jane is now left with finding someone to watch Mateo. When Michael volunteers to help everything is perfect until Mateo does something for the first time in front of Rafael, upsetting him. Rogelio gets in trouble with the network executives when he uses the crew for his own use, so he turns to his favorite writer Dina to help fix the problem. Meanwhile, someone is causing problems for Petra at the Marbella and in her personal life. 

A medical problem could cause Jane to miss her graduation. Michael believes that he has identified Sin Rostro.

Jane has a specific idea of how she wants to celebrate her bachelorette party, but when Xo and Lina get involved, nothing goes as planned. Michael wants to enjoy a night out with his friends, but things get awkward when his future father-in-law, Rogelio, tries to plan the perfect bachelor party. Rafael is still trying to figure out what his half-brother Derek motives are and what he knows about their mother. Meanwhile, Petra gets a surprise of a lifetime.

When Jane, Rogelio and Alba learn what is going on with Xo, they all try to comfort her, but Xo insists they let her live her life. Rogelio finally gets River Fields to agree to meet with him, but he learns that River has another plan in mind. Rafael is on a mission to find his sister who may have the information he has been looking for. Meanwhile, Jane is upset with Petra after her girls spill a secret to Mateo.

Jane and Rafael are still at odds with each other as they are about to celebrate Mateo's first Christmas. Jane discovers that the scholarship she thought she had been awarded isn't quite that and now needs to find a way to pay for grad school. Rogelio has employed an intern and is having trouble trusting him. Petra is struggling with the latest dilemma her mother has gotten them into. Meanwhile, Michael is trying to find Luisa's mother who he now suspects is not dead and may be involved with Sin Rostro.

Jane is finally in a rhythm with Mateo, but finds herself out of step with Rafael and Michael and the potential love triangle that is brewing between them. In order to not be sued for missing their Vegas arrangement, Xo and Rogelio must perform on a cruise ship. Petra and Rafael are suspicious of Lachlan and his recent business proposal, but are soon faced with an even more shocking revelation. Meanwhile, Alba makes a very big decision that will impact her life.

Jane and Michael's wedding plans are side tracked when the Villanueva house is ruined by a flood. Jane is looking to have a small wedding, but Rogelio wants nothing more than to throw Jane a big blow out wedding so he can invite all his celebrity friends. Jane and Michael are also looking for the perfect home to move into and when they find a place 45 minutes away, Rafael has an issue being that far from Mateo. Petra is still having trouble adjusting to motherhood.

Jane makes a shocking discovery and looks to Rafael for answers but is confused by his decision to put everything he and Jane have on hold. Meanwhile, Petra is trying to secure a future with the hope of it being with JR, but her past might jeopardize everything.

Jane's crush on Professor Chavez is popping up in her dreams and she needs to evaluate her feelings towards him. Xo and Jane find Liliana's engagement ring and think that Rogelio is going to propose. Rogelio IS planning to propose, but with a different ring, one that gets swallowed accidentally by Mateo! Michael.

A shocking discovery is made by Jane and Rafael regarding Petra. Michael finds a big clue.

Jane must get over the newest hurdle in her life, which proves to be harder than she and Rafael would have hoped. Rogelio discovers that he and River are not as equal as he thought. Meanwhile, Jane and Petra must deal with the children not getting along with each other, which in turn brings up issues of how Petra and Jane feel about each other.

After Jane discovers Mateo’s abduction, chaos ensues, especially when they all learn Sin Rostro is involved and demanding a ransom. Jane must also focus on motherhood and turns to Xo and Alba for help, leaving Rafael feeling left out. Meanwhile, Petra is conflicted with what to do with Rafael’s remaining sperm sample.

Rafael and Petra are new parents but Petra is already back to work and appears to be not interested in motherhood. Xo has invited Alba's old flame Pablo to visit. This does not sit well with Alba as she believes Pablo is cursed and will bring bad luck. Jane is growing concerned that she can't get in touch with her father, Rogelio, who is being held captive by Lola.

Jane and Michael’s housewarming party in their new home hits a snag when they discover they are being evicted for not paying their rent. Rogelio is still trying to break into American television, but needs some unusual help from Rafael. Xo makes a new career choice, but Alba and Jane aren’t convinced this is the one for her. Meanwhile, “Petra” shocks Rafael with what she wants to do with her shares of the hotel.

Jane and Rafael try to be friends which works great until Jane goes on a date. Petra and Jane's new partnership is off to a rocky start, but they both know they have to find a way to work together somehow. Rogelio is convinced he has Male Post-Partum Depression, which puts him at odds with with celebrity Post-Partum Advocate River Fields. Meanwhile, Alba finally tells Jane why she turned down the marriage proposal, leaving Jane to help Alba in the romance department.

Jane discovers that Michael was shot and finds herself having to make difficult choices. With Rafael focused on keeping Mateo safe, Anezka, who is pretending to be Petra, "helps" the cops with their investigation. However, it isn't long before everyone starts to notice that "Petra" is acting odd. Meanwhile, Rogelio is trying to keep everything out of the press for Jane, but in order to do so finds himself in an awkward position and asks for Xo's help.

Xo struggles to make an important decision and looks to Jane for guidance leaving Rogelio feeling like an outsider. Alba is frustrated with Rogelio when it seems he is once again making his career a priority over Xo. Meanwhile, Petra turns to Rafael for advice on her love life.

Rogelio's stepdaughters decide to try and make Jane's life miserable. Rogelio asks Xo to use his band.

Jane's latest parenting obstacle is sleep training Mateo, a struggle that has the Villanueva woman divided on what is the best method. At the same time, she is beginning her new job as a TA and is faced with a class full of basketball players looking for an easy A. Petra confesses all to Rafael and is determined to put her mother away for good. Rogelio's mother Liliana comes for a visit and reveals a 40 year old family secret. Meanwhile, Michael discovers the truth about Luisa's mother and new information about Rafael's mother.

Jane is having a hard time dealing with Rafael avoiding her, so when an issue with Mateo comes up she uses it to get some face time. Rogelio turns to Jane for help when he learns his pilot is in trouble. Alba and Jorge enlist Xo’s help to study for their upcoming immigration test. Meanwhile, Petra finally gets to the bottom of who has been terrorizing her.

With everything that has been going on, Jane reluctantly agrees to let Rogelio throw her a big 30th birthday party. Jane’s mentor gives her some important advice that may help her start writing again. Meanwhile, Petra thinks she and JR are finally in a good place, until she realizes that JR might see things differently.

Jane requires some space and makes the decision to move in with Michael. Rogelio's nerves end up getting the better of him.

When Lina comes to town, Jane is excited to see her until Lina asks her for a favor. Rafael begins to work with Petra again but old tensions create new problems between them. Rogelio creates a plan to pressure the network to pick-up his pilot. Meanwhile, Jane and Rafael have been looking for a solution to one of their problems and think Alba just might be the answer.

Alba becomes proactive about keeping Rogelio away from Jane as she doesn't like Xo's approach. Jane thinks about making a big change in her relationship with Michael.

When Jane’s editor pitches her a dark twist for her book, Jane begins to wonder if the same thing might have actually happened to her. Rogelio helps River bond with her daughter, but River once again makes things difficult for him. To avoid thinking about her career change, Xo instead focuses on trying to smooth things over between Jane and Alba. Meanwhile, Alba stands up to someone from her past, which helps Jane realize she should do the same for herself.

Jane is concerned that Rafael won't be a good father. Michael has a realization concerning Jane.

When Jane learns that Rafael introduced Mateo to his new girlfriend, Katherine, without her consent she gets angry since she thinks Katherine has a negative influence on both Rafael and Mateo. Jane turns to Petra for help with the situation with Rafael, but Petra makes Jane an offer she can't refuse. Now that the baby is born, Rogelio and Darci struggle to choose a name for the baby they both agree on. Meanwhile, Xo is focused on growing the dance studio and decides to go into business with an unlikely foe.

Jane's mother puts pressure on her to sue her doctor. Jane keeps running into Rafael. Jealousy forces Michael to turn to Petra as an ally.

Jane struggles with giving Rafael his space after she discovers that he is hiding a secret. Jane and Michael uncover clues about what happened the day he "died." Petra wants to fit into JR's world and enlists Jane's help. After a few attempts to get back into the groove, Xo and Rogelio work together to try and find a new normal. Meanwhile, Alba confesses her feelings about Jorge.

Jane and Michael are both feeling the pressure – Jane with turning in the perfect novel and Michael with passing his upcoming test. Jane and Rafael become concerned over Mateo’s development when they learn that other children his age are more advanced. Rogelio invites everyone to the last day of filming for his telenovela, but he is not pleased with the ending. After watching Xo and Rogelio’s interaction, Darci begins to question her and Rogelio’s potential relationship. Meanwhile, Rafael is upset when he learns what Petra is up to, but she explains that she is protecting him once again.

Jane's burgeoning relationship with Adam helps bring out her fun side and reminds her that she isn't just a mom. However, when Adam gets a job opportunity, he asks for Jane's opinion on if he should stay or go. Rogelio is facing issues with his co-star at work and things are about to get even worse for him. Xo is helping to take care of Darci to prove that Rogelio is committed to being a father to the baby. Meanwhile, Petra and Rafael are working together to try and buy back the hotel, but are running into trouble, causing tension between them.

Jane has decided to save herself for marriage, but her life is turned around when she finds herself accidentally artificially inseminated.

Jane is ready to move on from the Marbella and pursue writing full time, but an unexpected development forces her to consider returning to her teaching roots. When Jane applies for a job as an adjunct professor, she finds herself seeing her former professor, Jonathan Chavez, in a different light. Rafael thinks he has found a way to get back in the real estate game and looks to Jane for support. Meanwhile, Rogelio courts Eva Longoria to star in the American remake of the Passions of Santos.

Jane's fixation on a negative review has left her with writer's block, so Rogelio suggests she take a class to help. With the encouragement of Jane, Rafael is ready to dig into his past. Rogelio is trying to make things less about him and more about Xo, but he grows suspicious when he learns she is keeping a secret from him. Meanwhile, Petra tests the loyalty of her lawyer.

Working in publishing is not what Jane thought it would be, until she learns about a showcase for up and coming writers. With Petra helming the Marbella, she decides to rebrand the hotel, but quickly butts heads with the rival hotel next door. Rogelio and Darci have made a new arrangement which has put a strain on his relationship with Xo. Meanwhile, Jane and Rafael try to figure out the best solution to Mateo’s behavioral issues and they both seem to have different approaches.

Jane finds it difficult to stop meddling in other people’s relationships, especially Xo’s and Rafael’s. Rogelio makes an unorthodox agreement with his matchmaker. Petra goes to great lengths to find out if Rafael is working against her. Michael, with Jane’s help, makes an important life decision with Jane’s help. Meanwhile, Rafael gets some upsetting news that leaves him reeling.

Jane feels guilty that she isn’t around for Mateo as much as she would like, so she decides to run for Room Mom against none other than perfect mom, Petra. With the help of Jane and Xo, Alba tries to impress her crush. Rafael tries to be there for both Jane and Petra. Meanwhile, Rogelio tries to slyly get information from Mateo about Xo and Bruce’s relationship.

Jane is finally ready to get back in the dating game so she enlists the help of Rafael and Petra. Alba takes Xo and Jane’s advice about being an independent woman when it comes to Jorge. Petra finds out that Chuck has been talking to the police, which could put her in hot water. Meanwhile, Rogelio is trying to settle his lawsuit in a hurry so he can start his new telenovela.

When Jane’s cousin unexpectedly shows up at her door, Jane questions her own less than spontaneous life. Xo finds the perfect location for her dance studio, but it happens to be near her ex-boyfriend, Bruce. Rogelio realizes his feelings for Xo, but struggles with telling her. Petra is served with a lawsuit and she decides to ask Rafael for help. Meanwhile, Michael is ready to get to work just as they get a break in the Mutter case.

Jane feels guilty about her feelings for Rafael and admits to Michal how she is feeling. An unwelcome visitor from Petra and Rafael's past shows up.

Jane attempts to do what's best for the baby. Xo attempts to say sorry to Rogelio.

After Jane is struck with inspiration for her book, she immediately begins to write, but her next challenge is to get an agent. Rogelio has been so focused on being the star, he begins to contemplate taking on a different role instead. Meanwhile, Jane thinks it’s important to build a different relationship with the twins and turns to Petra for some guidance.

Jane and Rafael interview potential babysitters to help take some of the pressure off everyone, but Jane has specific and lengthy requirements. Jane attends her graduate school's Christmas party in hopes of finding the perfect writing advisor, but things don't go quite as planned. Rogelio is faced with a tough decision about the direction of his life. Petra wants a friendship with Jane, but her mother's antics once again thwart those efforts. Meanwhile, Michael's suspicions have turned out to be true and he thinks he has discovered a lead on a possible rival to Sin Rostro.

With Jane and Rafael finally in a good place, they are concerned to discover Mateo's treatment might be a problem. Alba and Rogelio are worried about Xo's recent behavior. Meanwhile, Petra is secretly pleased when Rafael and Jane begin fighting over her.

When a slot opens up in the graduate program that Jane has been waiting for, she is faced with her first big motherhood dilemma -- leaving Mateo sooner than expected. Rafael is still reeling from Petra's news as he tries to help plan Mateo's baptism with Jane. Xo helps Rogelio confront his past even though it makes Xo uncomfortable. Meanwhile, Michael takes some advice from Rogelio about how to handle Jane, but it is easier said than done for him.

When Jane and Rogelio join forces to pitch a pilot, Jane is excited until she discovers a secret about her book being published. Alba and Jorge make an important decision about their future together. Rafael asks Jane to allow Luisa to meet Mateo, but she is unsure of her decision. Meanwhile, Petra and JR's relationship is once again tested.