Abby and Colette, Mike's ex-wife, clash over boundaries; Jo and Frumpkis deal with a family emergency; after Delia receives some discouraging news from her fertility doctor, she throws caution to the wind and gets more involved with Tony.

Delia gets some disappointing news—and then a surprising offer. Phoebe weighs the pros and cons of letting her brother Tony back into her life.

Abby and the girlfriends help Delia cope after the fallout of Gordon's news. Jake returns from Latvia with a secret to tell Abby. Jo has to finally face her feelings about Scott. Phoebe makes a surprise announcement. Barbara eyes a new potential love interest.

At a red carpet event, Abby and the girlfriends flash back to their struggles and victories over the past six months. Abby makes an impetuous offer to Mike. Barbara lets her guard down around her ex-husband Leon (Aaron D. Spears). Delia gets some disappointing news - and then a surprising offer. Phoebe weighs the pros and cons of letting her brother Tony (Steve Talley) back into her life.

As Abby finishes her romance novel, she questions the future of her relationship with Mike; Barbara has second thoughts about quitting SheShe; Phoebe and JD's marriage faces a challenge during a debauched getaway at Gemma's mansion

Abby is determined to blend the Brady and McCarthy families seamlessly, but Mike's new travel schedule causes some serious growing pains. Phoebe dips a toe back into the online dating pool only to find it's freezing cold. Barbara attends a school function for her son and confronts her ex-husband and her sister. Delia moves forward with in vitro fertilization and engages in a dangerous flirtation that could potentially cause a rift between her and Phoebe.

Abby and Jake try to define their relationship by spending a weekend at home without work, friends and kids. Meanwhile, Phoebe reconnects with friends from her modeling days; Delia and Gordon scout for homes; and Jo's daughter returns home.

As the time for Abby and Jake to sign their divorce papers approaches, Jo decides to throw a divorce party for Abby. Meanwhile, we find out about the history between Cory and Phoebe. Jake wants to get back together.

Delia's wedding arrives, but Abby is uninvited to the big event in the wake of a betrayal and the revelation of her affair. Abby focuses on finishing her book, yet Barbara discovers Abby is unraveling, and a race ensues to bring Abby and Delia together.

Abby seeks inspiration for her novel while stuck on a trip with her son's baseball team. Also: The rest of the girlfriends embark on a weekend getaway; Jo worries about her alcoholic former husband; and Phoebe gets entangled with a billionaire playgirl.

Abby is forced to play full-time stepmom now that Colette has relocated to Sacramento; Delia tells the girlfriends that the IVF worked and she's pregnant, but Phoebe pieces together that the baby must be Tony's; Jo confesses that she kissed Frumpkis.

After collapsing after the birth of Becca's baby, Abby is ordered to stay at home and rest. The girlfriends throw Delia a surprise bachelorette party at a male strip club, a treat from Barbara. Phoebe deals with the fallout of her almost kiss with Ralf. Jo is having mixed feelings about Scott.

Abby wants to define her relationship with Dr. Harris, but she faces resistance. Meanwhile, Abby reconnects with escort Carl in Los Angeles; artist DJ's creative process intrigues Phoebe; and Scott presses Jo to fight for what's hers.

Newly separated author Abby McCarthy takes advice from her divorced friends and begins to navigate life as a single woman.

Abby throws a birthday party for her daughter Lilly only to have Jake's girlfriend, CW actress Becca Riley, show up uninvited. Abby wonders if she's pregnant... and entertains what she'd do if she were. Meanwhile, Delia is handling the divorce of Gordon Beech, husband of acclaimed fashion designer Courtney Beech.

Abby starts to date Nate, a married dad with whom she had an emotional affair during her marriage. Phoebe starts to get close to one of the dads at school. Lyla tries to find a new way to release some tension. Max and Ford are honored at the Family Equality Gala and given an award by LGBT activist Adele Northrop.

Abby throws an "Adult Friendsgiving" dinner with new boyfriend. But as strange things begin to happen around the house, Abby and Jo question if a spirit has decided to join them. Phoebe invites Marco and Delia gets a surprise visit from her father.

After the disastrous date with Nate, Abby goes on a date with her hot, young pursuer, Will. Meanwhile, Lyla's mother, Annie, comes to Los Angeles to help her make the best impression possible with the visiting caseworker.

Abby prepares to pitch her new brand to her agency when Jo, an old friend from college arrives with her blunt, brassy New York attitude. Things get complicated when Jake gets a job directing an episode of Becca's TV show "Blood Sisters."

Abby spends her first night alone without the children, leading to a chaotic ride through Hollywood with the ladies. Meanwhile, Jake seeks a perfect first evening with the kids at his new place.

Abby tries to recover from a public breakdown, thereby rescuing her brand. Meanwhile, Abby and Jake try to make the best of their divorce for the sake of the children, and Lyla's former husband seeks revenge for his DUI.

Abby gets offered to write a Huffington Post article about her dating experiences as a divorced woman and must go on ten dates in two days. Delia is fearful that her affair with Gordon Beech will become public knowledge and get her disbarred.

Abby and Jake are finalizing their divorce, but getting along better than ever. Delia is up for partnership at the law firm, but her relationship with Gordon Beech threatens her chances. Phoebe has a secret history with famed photographer Kori Wingo.

A photo shoot for Phoebe's Infant Fabuleax jewelry line takes the ladies on a trip to Vegas. Abby is cleansing and is determined to work on her next book. Lyla awaits the recommendation of the caseworker in her custody battle.

Abby and Jake try and keep their secret relationship hidden while her managing editor Barbara at SheShe pushes her to go out on dates to drive attention to her new blog. Delia hires a wedding planner. Jo moves out of Abby’s house and prepares for the opening of her vegan bakery.

Abby returns to find changes have been made at Lady Parts; at Phoebe's estate sale, Delia and Jo face down the Albert situation; Delia throws herself into running Paul's campaign; a disaster is narrowly avoided when Abby's father is left home alone.