Juan awakens to the sound of three men hanging his beloved father. Joining the wagon train, he comes across one of the three, tortured by Indians. He nurses him back to health but only under the guise of looking for the other two killers.

Major Adams allows two stowaways, Tobias Jones and his young friend Midge, to stay with the train. But Tobias is in trouble due to his drinking, and things get worse when he's accused of murder.