Jerry moves his new younger girlfriend, Kayee, into a house he shares with his ex wife Jessica. Lisa still isn't over her divorce from her ex Jimmy, even though it was decades ago. Alex went from Caroline's gay best friend to her boyfriend.

April surprises her husband by getting a matching tattoo with her ex. Kayee's lack of contributions around the house frustrates Jerry's ex. Caroline is fed up when Alex's ex crashes Friendsgiving. Lisa, Jimmy and their spouses prepare for their RV trip.

On a family ski trip with Kayee and Jessica, Jerry is forced to pick sides. Jennifer and her wife decide Jennifer's ex-husband should be the sperm donor for their baby. Alex shocks his sister with news that he wants to take the next step with Caroline.

Old wounds lead to a giant fight on Jimmy and Lisa's RV trip. Ex-husband Josh questions his role in the baby's life as Jennifer and Chantel try for pregnancy. All hell breaks loose when Alex's sexuality comes into question at a family dinner.

Kayee and Jerry escape to his cabin; Kayee plans a memorable evening; things intensify between Lisa and Jimmy during a game of truth or dare; Alex thought nothing could be crazier than Caroline meeting his family, until he meets Caroline's mom.

Facing the harsh reality of Jerry's bond with his ex-wife, Kayee gives him an ultimatum. April asks her husband's ex-wife to be her maid-of-honor. Caroline draws the line when Alex's ex-boyfriend Stephen interrupts a very special Valentine's dinner.

Jerry begs for one last chance when Kayee threatens to leave. Lisa is ready to reveal a big secret. Alex closes a chapter with his ex-boyfriend. Josh reaches a boiling point about his relationship to Jennifer and Chantel's baby.

Lisa's secret may change her relationship with her ex. Alex plans to ask Caroline a big question. At her bachelorette party, April wrestles with emotions brought on by her ex. Chantel gives birth early, and Josh comforts Jennifer. Kayee goes missing.

Josh faces questions about what baby Camila will call him. Alex and Caroline's engagement shocks Caroline's mom. It's April and John's wedding day, but she still has complicated feelings about Roy. Kayee gives Jerry and Jessica a piece of her mind.