Baltimore, Maryland. Sylvia sees a girl being attacked from her lover Terry's bedroom window. The assailant flees and his victim is saved. But that same night another girl is found murdered.

Mark Kaminsky is kicked out of the FBI for his rough treatment of a suspect. He winds up as the sheriff of a small town in North Carolina. FBI Chief Harry Shannon, whose son has been killed by a mobster named Patrovina, enlists Kaminsky in a personal vendetta with a promise of reinstatement into the FBI if Patrovina is taken down. To accomplish this, he must go undercover and join Patrovina's gang.