Brandon is upset when he learns that his shared secret with Callie is in jeopardy. Lena and Stef's mother, Sharon disagrees over how Stef should handle her diagnosis. Meanwhile, Mariana's run for junior class president heats up as the simmering resentment between her and Lexi comes to a head.

After Callie and Jude discover Jack is being abused by other boys in his group foster home, they turn to foster care advocate Justina to get him help. Jesus attempts to get to know Gabe at work even as Nick urges him to tell Gabe the truth about who he is. Meanwhile, Mariana is surprised when Nick asks her out.