The Plaths arrive in St. Pete for their long-awaited family band concert but things quickly go awry when Moriah reveals news that no one saw coming. Barry is finally confronted with Ken and must choose to talk or walk. Olivia finally decides to put down roots.
When Ethan's friend takes him out to a bar to meet girls for the first time ever, its sink or swim when a girl catches his eye. Veronica lets it be known to Micah she's ready for next steps. Olivia brings Lydia Grace and Brendan together, hoping they'll form a bond but Lydia Grace has her concerns.
Olivia and her long-distance boyfriend rendezvous in Arizona for a romantic getaway. It's lights, camera, action for the Plaths as they help Moriah shoot a music video for her new album. As Veronica gets to know Kim, she quickly learns its Kim's way or the highway.
The entire Plath family joins Moriah in Tampa to prep for her music video shoot but concerns grow over Kim and Barry being able to sleep under one roof. Olivia and Lydia Grace try their luck at speed dating, but no one measures up to a certain someone Olivia already has her eye on.
While Micah and his girlfriend embrace their future together, Ethan returns to the farm and gets real about some of the ways he and Olivia went wrong. Moriah talks music and heartbreak with her bestie and Olivia and Lydia Grace rebel against their roots and host a sex party!
Kim and Barry deal with the frustration of a drawn-out divorce. Back in LA, Olivia shares with her friend where things went wrong with Ethan and what she's looking for in her next relationship. Ethan and Micah return to Cairo to help throw a surprise birthday party for Lydia.
The Plath family comes together to run the Spartan Race but things get muddy when their family bonding event turns competitive; Olivia and Ethan take time to rediscover themselves; Micah's mystery girlfriend leaves everyone stunned.
Olivia returns to Minnesota to finalize the divorce but Ethan struggles to accept the end of their marriage. The Plaths navigate their new blended family with Kim's boyfriend. Micah contemplates settling down with his girlfriend and Moriah enlists Kim's help with making a music video.
Ethan and Moriah bond over drinks. Kim gives Micah some relationship advice. Olivia drives to Minnesota hoping to finalize the divorce but detours when Moriah asks her to meet up to hash things out.
The Plath men bond over their muscles at the gym, Olivia takes a huge leap and steps into the single scene with her sister, and Ethan decides it's time to break the ice and visit his mom.
Ethan and Olivia remain at odds over the future of their marriage, Kim ponders her next steps with Ken, and Ethan visits Cairo and reveals big news to his family. A visit to a tarot card reader leaves Olivia reeling and questioning her future.
Life in Plathville is looking very different these days. Moriah leaves Tampa behind. Kim throws caution to the wind and fulfills a lifelong dream and Micah walks away from his busy life in LA when a mysterious girl steals his heart.
