Callie learns a secret about Kathleen. Mariana tries to hide her relationship with Evan. Meanwhile, Malika comes to a realization about her mother, and Alice thrives within the comedy program-but at what cost?
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.