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

Cast:El Santo, Blue Demon, Mil Máscaras, Silvia Manríquez, Sandra Duarte, Carlos Suárez,

Genre:Action, Adventure, Mystery,

country:Mexico,

Production:Producciones Fílmicas Agrasánchez S.A.,