A professor recruits a professional wrestler to protect his daughter from vampires intent on kidnaping her and marrying her to the devil.
A vampire uses two sisters to seek revenge from the last member of a family that persecuted the undead in Europe, but his plan is threatened by a man who knows how to destroy him with a peculiar piece of music.
Carlos and Luis drop out of school and try to make it big with a music group, with considerable success. They travel to Ecuador and they meet the beautiful Rita and her daughter Silvia.
An old sailor is betrayed and killed by his young beautiful wife and her lover, searching of a shipwreck with gold ingots, the product of a robbery, in a Central America river.