As Hotch fights for his life after being stabbed, he has visions of his late wife and his nemesis; when a teen goes missing, suspicions arise about her estranged father.
The police are quickly at the door when Peter's electronic monitor sounds after he chases Alicia out of the apartment. As a result, Grace and Zach scramble to figure out a way to keep him from being arrested.
Frank is left with minimal information to find a missing boy when a conflicted priest who could help won’t break the seal of confession.
Sherlock and Joan team up with the NYPD to investigate the murder of a police officer; Sherlock looks for a blogger who has been publishing statements he made at sobriety meetings.
The task force goes under cover to bust a jewellery operation they come to realize isn't just smuggling gold. An unexpected guest from Stabler's past arrives to help take the operation down and confront some unresolved feelings.