Beautiful Silvia and Sandra disappear mysteriously at the Bermuda Triangle. Santo, Blue Demon and Mil Mascaras, a team of super-heroes, go into action to try to find them. Soon they find out that evil Scientist Dr. Gro has developed a device to make people and objects to disappear blaming the famous vanishings of ships, airplanes and human beings on Mother Nature. Cast: Santo el Enmascarado de Plata, Blue Demon, Mil Mascaras, Silvia Manrquez and, Sandra Duarte
Released: Aug 16, 1979
Runtime: 76 minutes
Genre: Action, Adventure, Mystery
Stars: El Santo, Blue Demon, Aarón Rodríguez Arellano, Silvia Manríquez, Sandra Duarte, Carlos Suárez
Crew: Gilberto Martínez Solares (Director), Adolfo Martínez Solares (Story), Gilberto Martínez Solares (Story), Rogelio Agrasánchez Sr. (Producer), José David Agrasánchez (Executive Producer), Jorge Busto (Editor)