Sam Limbo, innocent but jailed for murder, is forced to remain in Dane's Bend, a powder-keg town. The townsfolk are awaiting the arrival of the notorious Donovan brothers, intent on avenging the killing of the youngest Donovan. The brothers have a big interest in the bank which, with a secret stash, has taken on hired private security. Limbo breaks out of jail, but returns, lured by the marshal's daughter. And it's Limbo who saves the town that wanted to hang him.