Ethan and Olivia's European trip is spoiled by controversy back home. Moriah makes a big decision without warning, then meets Micah in Cairo to discuss the fallout with their parents. Kim and Barry navigate the challenges that come with divorce and co-parenting children.

Ethan struggles to find balance as he is pulled between Olivia and his own family. Barry and Micah strengthen their new bond. Olivia reunites with her estranged sister and attempts to rebuild the past. Kim considers dating again as her divorce progresses.

Kim and Micah discuss the divorce, and he is surprised to learn she's ready to start dating. Olivia and her siblings bond in a bold, new way. Barry and the boys have a fun night out but miss Ethan. Moriah continues her healing journey by getting baptized.

Frustrated by the rift between Olivia and his family, Ethan hopes time can heal their unresolved issues; Barry gets personal with Micah about the divorce; Moriah embraces her fresh start and her inner rebel.

Ethan and Olivia have settled into their new town in Minnesota and express high hopes for their marriage. Micah questions his future in Los Angeles. Kim tells her friend about a major update in her love life, but she fears telling her own children.

Olivia and Ethan host Lydia Grace and her boyfriend for Christmas. Kim hesitantly sits down with Isaac, hoping he'll approve of her dating his flight instructor. Micah and Moriah struggle to reconcile with Ethan. Oliva and Ethan's marital tension resurfaces.

Kim starts new family traditions with the kids for Christmas. Barry and Micah spend the holidays alone. Olivia and Ethan confide in Lydia Grace and CJ that their marriage may have differences they can't overcome.

Kim nervously shares her dating news with Moriah and Lydia. Moriah decides to unblock and text Ethan and is taken aback by his response. Olivia hits her breaking point when she realizes Ethan is up to his old ways.

Ethan leaves Olivia behind in Minnesota as he heads to Cairo to pick up his cars and reconnect with his family. Olivia talks to her friend about her marital issues and her struggle to stay true to her vows. Kim comes clean to Amber about Ken.

Kim and Barry are together for the first time since the family learned of Kim dating Ken. Moriah attempts to break the ice and reaches out to Ethan during his road trip. Olivia extends an olive branch to Micah, hoping he's willing to meet with her on her terms.

Olivia and Ethan realize their marriage has reached an impasse due to differences in their values. Kim and Barry find it difficult to peacefully co-parent. Barry and Isaac visit Micah in LA and hope Ethan will join them despite his troubled marriage.

The Plath men go surfing in LA, and Barry and Ethan have a heart-to-heart. Olivia takes a trip to get some clarity on her marriage. Moriah crashes boys' weekend and comes face to face with Ethan for the first time in nearly a year. Ken pops an unexpected question to Kim.

Ethan and Moriah's feud comes to a head as they hash out past disagreements. Kim moves the remainder of her things out of the family home. Ethan and Olivia have an honest conversation about the future of their relationship.