Welcome to Plathville

Max recruits Micah and Lydia to help out with a secret surprise for Moriah. Ethan and Olivia's relationship is on the rocks. Lydia prays for a family reconciliation with Ethan, and a chance encounter takes her one step closer.

Lydia and Ethan reconnect for the first time in months; Micah takes Helena to meet Ethan and Olivia, which raises questions if they are more than friends; Max fears Ethan and Olivia don't approve of him; Lydia opens up about her crush to Kim.

Ethan puts his foot down about his mum coming onto his property. Moriah and Olivia talk babies, birth control and boys. Also, the Plath family has an unexpected surprise for Micah on his 20th birthday.

Olivia plans a fun day with Ethan, Moriah, Max and Micah, but an argument nearly derails it. Moriah faces a tough choice. Olivia and Micah do a sexy photo shoot. Lydia tries to practice self control when it comes to communication with her crush.

Max and Lydia go on a secret mission. Tension between Ethan and Kim threatens a plan for him and his brothers to hang out. Moriah faces a tough choice for her band. Ethan and Olivia reach a critical point in their relationship as the idea of a move looms.

Olivia's therapy session leaves her contemplating some major changes with Ethan. Moriah and Max debate over her revealing outfits. Barry takes Isaac and Micah golfing for some quality father and son time. Micah goes on a date with Helena.

Olivia goes on a girls' trip with Helena and Moriah in hopes that it will be a stress reliever from her current marital problems. Sparks fly as Micah goes on a date with a girl he met online. Ethan takes extreme measures to cope with Olivia's absence.

Ethan returns from his mysterious road trip and shares important news with Olivia. Micah gets a wakeup call from his agent in Atlanta. Moriah shops with Kim and Max's mom for outfits for her upcoming gig but struggles to be honest with Kim.

Ethan and Olivia take steps to reconcile their marriage. Barry and Kim learn that they aren't invited to Moriah's gig, and Kim is forced to make a choice that is best for her, Moriah and Olivia.

Moriah, Micah and Olivia face performing on stage amidst family drama, and Ethan takes action. Max surprises Moriah with a special gift, Olivia offers Ethan an invitation, and Lydia takes steps to advance her own relationship.

Ethan and Olivia go camping with Micah and Moriah, but navigating their marital issues makes things a bit awkward for the group. Lydia struggles to stop texting her special friend, which puts her in the hot seat with Kim and Barry for the first time ever.

Lydia graduates high school and gets a very special visit. Micah, Moriah, Ethan, Olivia and Max decide it is time to move on from Cairo, but Olivia has one last thing to do before leaving town -- face her fears with Kim and Barry.