Maggie returns from medical leave in time to help the team investigate two homicides: a law student on track to attend the FBI Academy and a young man with possible gang ties. Also, an inadvertent revelation from Maggie causes OA to worry that she is rushing back into the job too quickly.

A teen shows up at FBI headquarters with a large bag of fentanyl, seeking the team's protection from the men who shot his father. Plus, Nina comes to Scola with a proposal he is hesitant to accept.