A lonely and shy young woman, inherits a house and stumbles upon a secret formula that enables her to transform her body in any way she wants.

When a bachelorette party at Emmanuelle's house is interrupted by a mysterious loner, strange things begin to happen. The party guests start changing one by one into blood-sucking sexual predators with only Emmanuelle to tame the situation. Will she save her friends or will she fall under the spell of the Prince of Darkness?

Two Arizona girls head out to the Malibu beaches for a springbreak of partying and fun in the sun.