A young boy who was shielded from the criminal underworld by his father, a rising mobster, witnesses the assassination of his dad by gangsters in Atlantic City. These mobsters flourish after seizing his dad's bootleg operation and expanding it to Chicago. Now a young man, he vows revenge. After receiving tip, he tracks them down to a local speakeasy. Apprehensive, but determined, he decides to risk his life by confronting the murderers at their nightly poker game.