Mariana forms a women-in-tech “fight club” with other women in her office to deal with sexism in their workplace. Meanwhile, despite bonding over past traumas, Callie & Rebecca don’t see eye-to-eye on how to address a potential workplace harassment situation for a colleague.

The Fosters and the Hunters help out with the impromptu volunteer Christmas event. Stef agrees to be a part of Mariana’s plan to avoid a major catastrophe, all while Gael and Jazmine deal with a painful family decision. Jamie is eager to ask Callie a very important question.