A number of different characters unfolding love, hate, and death problems during an evening in a fashionable Latin nightclub.

A crime reporter writes book to expose names and methods of the criminal leaders. He is held on a charge after refusing to explain how he got his information, but is released and helps to expose the syndicate.

A whip-cracking federal marshal goes under cover as a masked bandit to ferret out a gold-bullion thief.

A seemingly charitable soup kitchen operator (who moonlights as a criminology professor) uses his Bowery mission as a front for his criminal gang. Police attempt to close in on the gang as they commit a series of robberies, murders and bizarre experiments on corpses.