In the series finale, Sarah prepares for her special day. Meanwhile, Hank has big questions for Zeek and Drew; Amber adapts to motherhood; Julia and Joel get a phone that prompts a crucial decision; and Kristina presents Adam with a plan for the future.
Amber has labor pains and rushes to the hospital. Meanwhile, Camille and Zeek make a decision regarding Zeek's health; Sarah shares some happy news with Zeek; and Adam take a firm stance as he and Crosby disagree over business matters.
Zeek and Camille find some old rolls of film, which Max develops. Meanwhile, Sarah and Julia share their relationship concerns; and Jasmine interferes when Adam and Crosby are determining the fate of the Luncheonette.
Zeek's taken to the hospital and his family gather near him, anxiously awaiting news. However, Adam and Crosby must leave to tend to a crisis at their restaurant; and Joel lets Julia lean on him, complicating their confusing relationship even more.
An open house is held at Chambers' Academy, but it's marred by tension between Dylan and Max. Meanwhile, Hank's pleased that Ruby's looking forward to her school play, but Mark Cyr's presence causes problems; and Zeek enlists Drew on a covert mission.
Max experiences heartache, which leads him to wage a propaganda campaign against a classmate. Meanwhile, financial troubles leave Crosby with a sense of defeat and propel Jasmine to get a new job; and Ruby exploits her father's trust.
Amber tests her maternal skills by babysitting Max and Nora, but she ends up turning to Sarah for help when things don't go as planned. Meanwhile, Joel and Julia examine their relationship; Hank has a serious talk with Sandy; and Drew spends time with Zeek.
Max tries to learn about his new friend and receives some sketchy relationship advice from Adam. Meanwhile, Amber develops a crush; Julia's new beau makes an appearance at the family barbecue; Crosby lets loose with Zeek; and Jasmine worries about her husband.
Max forms an intimate new friendship. Elsewhere, Sarah encounters Sandy and tries to understand the role she plays in Ruby's life; Hank deals with a diplomacy challenge; Julia and Joel worry that their separation is having an adverse effect on their kids; and Crosby tries to avoid a crisis by going after Oliver.
The family waits for news about Zeek. Meanwhile, Julia and Joel discuss their relationship status; Amber faces the future with Drew's support; Sarah attempts to get to know Ruby; bad news affects the Luncheonette; and Crosby looks for a way out.
Kristina attempts to meet the needs of her students at Chambers Academy while Adam deals with a lunch vendor who suddenly quit his job. Elsewhere, Zeek faces a difficult health decision; Sydney has trouble at school, prompting Joel and Julia to visit with her teacher; and Sarah tries to figure out how she feels about Amber's news.
Sarah and Zeek head to Las Vegas to celebrate Zeek's birthday as the sixth season opens. Elsewhere, Amber deals with adulthood and new life changes; and Adam and Kristina face the pressure of having their charter school ready in time for opening.