Maddie fears for herself and her co-workers when the call centre is taken hostage. Meanwhile, Buck, Chim, and Athena work together to find out what's really going on with dispatch.
The search for the head of a counterfeit money ring raises questions about Villa's past, while Rosie receives shocking news about his health.
The BAU works with the NSA when two undercover DEA agents are murdered and another goes missing; Hotch hopes the team's work with the NSA will bring them closer to finding a ring of hit men.