Calpuina is a night-watchman in a wharehouse, a perfect job for him. When some thieves break in and steal some crates, El Santo is after them because they are using the wharehouse for diamond smuggling. Capulina hinders their capture. Then he decides that he will put on a wrestler's mask and help El Santo to caputre the crooks.
as Santo
as Capulina
as Chief of Police
as Cedric
as Scientist
as Henchman (as Frankenstein)
as Capulina's boss
as Female robot (as Marisela Irigollen)
as Henchman
as (as Jorge Guzmán)