The residents of the Coterie throw an epic party, which Jude attends. Callie puts aside work for one evening to finally let loose and enjoy herself, but will it put her job as a law clerk in jeopardy? Meanwhile, Mariana tries to make friends with her new co-workers since she still feels like an outsider. Alice gets some upsetting news about her ex-girlfriend, Sumi, while Malika is confronted by her foster care past.
Taking place a few years after the events of The Fosters, Adams Foster siblings Callie and Mariana relocate to Los Angeles to begin the next phase of their lives. As they move into a communal living apartment building called The Coterie, Callie becomes a law clerk working for Judge Wilson while Mariana becomes a software engineer. The two of them navigate their young adult lives while interacting with their neighbors and the people they befriend.