Julia adjusts to her new role as a stay at home mom while supporting Joel's ambitions. Crosby encounters a disruptive neighbor that may threaten the future of the Luncheonette. Sarah and Mark disagree about parenting and relationship issues. Max is forced to make a difficult decision as the new student council President while Kristina and Adam encourage him to take advantage of new experiences. Amber tries to help Ryan with his career.

The holiday incites a mix of emotions as Adam and Kristina experience a health scare while Crosby and Jasmine celebrate their first Christmas together as a family. Sarah is torn between her feelings for Mark and her evolving relationship with Hank. Amber and Ryan face challenges in their relationship. Meanwhile, Zeek helps to restore belief in a childhood hero.