The Plaths take a stand against Olivia, with Moriah and Micah leading the charge. Ethan is left on the outs with his siblings. Kim and Barry navigate the next chapter in their lives as they finalize their divorce. Ethan and Olivia move to Minnesota.

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.