Mike Vinowsky, a poor, unscrupulous private detective wanders around Harlem’s dives (the jazz, whisky and rough nightlife) in search of a case he can solve. He finds one when he is offered an apparently simple job: to threaten a guy who is extorting...

Mike Vinowsky, a poor, unscrupulous private detective wanders around HarlemÂ’s dives (the jazz, whisky and rough nightlife) in search of a case he can solve. He finds one when he is offered an apparently simple job: to threaten a guy who is extorting money from a famous musician.