Michael Donovan (John Miljan), a heavy loser at a gambling casino, confronts its owner with evidence of cheating and finds himself accuse of murder, on circumstantial evidence, of the owner's murder.
War hero Danny Haley fleeces out-of-town dupes in a rigged poker game. He and his pals see Arthur Winant as an easy mark, but they've reckoned without Winant's homicidal brother, who wants revenge after Arthur commits suicide.
Recently paroled from prison, legendary burglar "Doc" Riedenschneider, with funding from Alonzo Emmerich, a crooked lawyer, gathers a small group of veteran criminals together in the Midwest for a big jewel heist.