Laura (Libertad Leblanc), a sensual stripper, receives from her lover (Jorge Salcedo) an envelope with an order to open it only in case he dies. When he is killed, she opens the envelope, finding half of a mysterious map and a piece of paper with instructions. Following these, Laura travels to Guayaquil, where she comes into contact with an Argentine geologist (Ricardo Bauleo), who owns the other half of the map. It turns out to be the map of a large treasure buried in the heart of the Ecuadorian jungle, in the territory of the fearsome Auca Indians, head reducers. Both are on the road, ready to face all the dangers that may be necessary, in order to get so valuable loot. But Laura's beauty and sensuality will awaken desire in all men throughout the dangerous expedition.
A doctor kidnaps couples who are having sex and takes them to his mansion where they are being kept as prisoners. He injects his subjects with a substance to 'enhance' their sexual abilities. The curious doctor then forces the abducted people to have sex. While they are making love he drains a fluid from them. He needs this to prevent himself from being transformed into a monster. He gets his instructions from a talking brain.
Ofelia's wedding day is approaching and she is to be married to Eduaurdo. She has some pre-wedding jitters during a meeting with her lover Gustavo but decides to tie the knot anyways. On her wedding night, Gustavo shows up in their room, murders Eduardo, and proceeds to turn Ofelia into a vampire so that they can be together forever. In the present day 1960's, a group of young men and women take shelter in an abandoned lodge after their van breaks down. Soon, Ofelia appears and seduces one of the guys and meanwhile the girls go missing. It is up to the other guys to figure out what is happening and Ofelia must make a decision as to how much longer she can continue with her cursed life.