In the first part of a two-part season finale, the BAU encounters a gang of bank-robbing serial killers in the nation's capital. As the team tries to negotiate the situation that is unfolding inside the bank, one of the team is taken hostage.moreless
The daughter of high-powered diplomats, Special Agent Emily Prentiss, joins the team, and she must convince Hotch that she deserves the job based on merit and not on her family connections. The BAU is then called to St. Louis to investigate two serial killers who appear to be competing with each other. By setting a trap based on one killer's profile, the team creates a media event by which to capture the second killer.moreless
While on their separate vacations, each member of the BAU receives a clue from a psychopathic killer who challenges them to save his next victim.