The outcome of the Jamal Thompson case is decided, and Callie is forced to decide what she's willing to fight for. Mariana jumps into a new relationship but stumbles into a situation she wasn't prepared to face. Alice attempts to win Joey back, while Davia attempts to help Dennis.
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.