Hoffs goes undercover to keep a wild Eastern Bloc exchange student out of trouble. Hanson and Penhall enroll in a shop class suspected of being a chop shop for an auto theft ring.

Hanson and Penhall infiltrate an exclusive preppie clique to investigate a prank that left a girl dead.

Hoffs is not convinced that the captured suspect in an arson case at a Catholic girls school is the guilty party and believes that the real culprit will strike again at the school's prom.