El Chuncho’s bandits rob arms from a train, intending to sell the weapons to Elias’ revolutionaries. They are helped by one of the passengers, Bill Tate, and allow him to join them, unware he is an assassin working for the Mexican government.

A vengeful witch and her fiendish servant return from the grave and begin a bloody campaign to possess the body of the witch’s beautiful look-alike descendant. Only the girl’s brother and a handsome doctor stand in her way.