Two narcotics agents go after a gang of murderous drug dealers who use ships docking at the New York harbor to smuggle in their contraband.

A doctor testing drugs on convicts gets mixed up in a murder investigation.

When the wealthy owner of an upscale brothel dies, our hero Victor, is sent on a wild goose chase to find the three beautiful heiresses. His only clue is that each of the three women have a hamster branded on their buttocks! When the girls are mysteriously murdered, it is up to Victor to solve the murders.