Jazmin's wedding has the Coterie crew all in their feelings. Luca is inspired to create change for the unhoused. We see one relationship end while another rekindles. Isabella faces new issues with her parents.
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.