After shutting down a campus, the BAU team creates a profile of a perpetrator; the team has doubts after taking a suspect into custody.
In the biggest case of his career, Marshall faces off with his archenemy, Brad (Joe Manganiello); the gang remembers delinquent moments from their teenage years.
Jessica persuades Honey and grandma to rent out the renovated house, but the renters turn out to be more than they bargained for.
Addison's role as a parent is challenged when Henry's biological mother asks to be involved in his life; Addison's mentor shares a difficult secret.
The wait is over as Conrad and Nic welcome the arrival of their baby girl; Raptor's life begins to fall apart and he is forced to turn to Cain for help; Devon and Bell work together on a complicated surgery that may allow them to save multiple lives.