Mariana and Evan butt heads over control of Spekulate. Gael welcomes a new studio tenant. Davia copes with her insecurities after a talented understudy joins the musical. Alice takes her new role seriously, while Malika seeks payback.
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.