After Mel is reunited with her brother Matthew, McCall helps him blow the whistle on his former unit's unethical practices before it's too late. Meanwhile, Aunt Vi and Trish's relationship becomes fractured by Vi's need to protect McCall's true identity.

Dee asks McCall to help find her transgender friend when the teen goes missing. Meanwhile, Dante is surprised when Big Ben's parole officer approaches him to chaperone his father for an out-of-state trip.