On an island somewhere in the Caribbean a professor is experimenting with mankind. Meanwhile, The Red Lips are moonlighting on a striptease world tour, but as soon as they hit the stage, the girls are up to their pasties in stiffs, Satanists and Sapphic sadists, all after the professor's secret formula for human clones!

"Red Lips" are two female detectives trying to find missing models and dancers. A pop artist called Klaus Thriller and his werewolf-like assistant, Morpho, are the main suspects for the murderers.

Cayetana, her boyfriend Paco and Venancio, her foster brother, commit small thefts and, from time to time, spend a few days in jail. Until they meet with Federico, a thief who has traveled abroad and convince them that using European methods success is guaranteed. Paco then decides to act scientifically and seizes a hospital surgical equipment. When they want to realize, poor Venancio is forced to give an injection to a dentistry patient and, even worse, Paco has to pull out a tooth. And all that, before entering the operating room