A drifter lands a job as an officer in México City's elite motorcycle police unit and gets home with a mate of this unit. The mate is in love with a girl, but he and she are always making jealous to each other. The drifter and the mate get involved themselves in a fight to become the winner of conquering ladies and performing unit acrobatic tricks, interfering with their friendship and profession.
El Santo, the masked Mexican wrestler, investigates a series of kidnappings. He discovers that the mysterious Doctor Caroll is using the victims as part of his experiments to develop an army of monsters. Naturally, El Santo is able to overcome them all - with wrestling!
Masked luchador "Santo" fights against an evil doctor and his zombie army.
