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.
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.
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.