Three outlaws on the run discover a dying woman and her baby. They swear to bring the infant to safety across the desert, even at the risk of their own lives.
Three brothers stop off for a night in the town of Tombstone. The next morning they find one of their brothers dead and their cattle stolen. They decide to take revenge on the culprits.
On the eve of retirement, Captain Nathan Brittles takes out a last patrol to stop an impending massive Indian attack. Encumbered by women who must be evacuated, Brittles finds his mission imperiled.
