Callie, a hardened teen with an abusive past who has spent her life in and out of foster homes. Lena and Stef warily welcome Callie into their home thinking it's just for a few weeks, until a more permanent placement can be found.
The Fosters cope with a crowded house but when Mike suggests that Brandon come live with him, Stef argues that it's not Brandon's decision, resulting in a heated argument with her son.
Lena wants to throw Mariana the perfect Quinces party, while Stef balks at the cost of the event. Prompted by her mums, Mariana invites Callie to be in her court and Callie awkwardly accepts.
The Fosters invite Ernesto and Sofia Rivera to dinner, and Stef worries that they will subjugate Jesus to views that disapprove of his non-traditional family.
When Lexi's parents take measures to keep her away from Jesus, Lexi makes a desperate decision, which could have serious and lasting consequences for her and her family.