A group of ruthless convicts is led to prison through an inhospitable mountain range by a small cavalry detachment commanded by Sergeant Brown, who is accompanied by his young and beautiful daughter.
During the American Civil War, a Confederate prisoner, Clyde McKay, attempts to steal a box of gold from a Union prison camp. He is aided by a group of prisoners and a prison guard but he is double-crossed along the way.
Famed gunman Arizona Colt is sent by Moreno to rescue his daughter from the grips of Arizona's old enemy, Keane. But certain complications make the mission far more dangerous than expected.
