Mariana's new relationship complicates her work environment. Callie is struggling to make decisions that will disrupt both her career and love life. Malika questions her involvement in activism. Davia juggles the men in her life.
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.