A big-city is over-run with crime as two gangs fight over turf after one gang invades the territory of the other. Mike Doolan, an amateur private detective, and "Scoops" McGee, a wise-cracking newspaper reporter take both on in a parody-burlesque of Paramount's "Underworld." The situation is somewhat hampered because one of the gang-leaders is a look-alike double of McGee.