A visit from Lena's beautiful and sophisticated ex-girlfriend reveals a secret yearning Lena has hidden from Stef for the past ten years. Meanwhile, Brandon struggles to please his demanding new piano teacher and rebuffs an offer from Talya to reconnect. When an embarrassing video of Talya circulates around the school, Callie lends her support and urges Brandon cut her some slack. Mike's drinking and Stef's mounting concern do not go unnoticed at the precinct. Mariana and Jesus go to tell Ana to leave Mariana alone. The encounter with his birth mom and her desperate situation drive Jesus to take matters into his own hands, a move that could have dire consequences for the whole family. Millicent Shelton directed the episode written by David Ehrman and Paul Sciarrotta.