Elliot helps Sasha uncover what triggered Becky's behavioral changes. Yvonne digs deeper into the Annex. Nancy makes a troubling discovery.

Cast: Sivan Alyra Rose, Griffin Powell-Arcand, Nicholas Galitzine, Tony Goldwyn, Marcus LaVoi, Ammie Masterson, Sarah Mezzanotte, Matthew Rauch, Lilliya Scarlett Reid, Jonny Rios, Kyanna Simone Simpson, Uma Thurman, Morgan Wolk