Jamie and Joe search for an undocumented teenage girl who has been sex-trafficked; a woman in witness protection is murdered; Frank calls out the district attorney's office for instituting a new rule that classifies armed robbery as a misdemeanor.
Mac and the gang team up with a master thief to catch an underworld criminal who hired her to steal a dirty bomb.
Mary receives much needed assistance from a former foe to keep Salem under the management of the witches.
Angel is forced to become a gladiator in a clandestine fight club, while Wesley and Cordelia try to infiltrate the operation to save him.