Cops go under cover to track down a Mafia drug kingpin who has re-entered the country to sell "junk" to the prostitutes and "hopheads" on Bourbon Street. Edited from TV series N.O.P.D.

This episodic detective film presents the cases of two New Orleans gumshoes. In once case they preserve the good name of a patrolman who is suspected of murdering a kleptomaniacal socialite. They then find the murderer of a bank robber whose corpse was found in a swamp. After that, they catch a psycho hitchhiker. Finally, they bring in the killer of a cabbie's wife and her little dog.