Silverlake’s ultimate fun-loving party couple, Kip and Leena’s marriage is on the rocks. When Leena files for a divorce and announces that she is leaving town to move back in with her parents, Kip is ready to fight until the end to get her back. Leena surprises him by inviting their closest friends and neighbors together for one last party—the divorce party! As tension builds up and emotions run amok, the party quickly gets out of control! Will the couple go their own ways or reconcile? Will their friends help or harm the marriage?

In 1979 Santa Barbara, California, Dorothea Fields is a determined single mother in her mid-50s who is raising her adolescent son, Jamie, at a moment brimming with cultural change and rebellion. Dorothea enlists the help of two younger women – Abbie, a free-spirited punk artist living as a boarder in the Fields' home and Julie, a savvy and provocative teenage neighbour – to help with Jamie's upbringing.