Three outlaws fleeing a posse through the desert come upon a dying woman and her baby in a wagon. Before she passes away, she makes the men promise to take care of her baby and get it safely through the desert.

Two cowboys, Jim and Johnny Little Bear, discover a rich mine and decide to spend some of their money traveling. Their travels lead them to the kingdom of Queen Sylvia, who is being warred upon by the neighboring monarch Ferdinand because she will not marry him. Sympathetic to the Queen's plight, the cowboys wire to America for the rest of the gang, who arrive just in time to rout Ferdinand's attack.