Two sexologists make a bet: that they can induce two fellow researchers to shed their inhibitions by exposing them to a series of interviews with people who recount their erotic adventures. The two "subjects" are told that they are supposed to write summaries of the stories they will hear. The "sexperiment" works: Candace and Peter fall for each other, but they also discover that they have been manipulated.

Johnny Blake, is a man haunted by his past and dedicated to the destruction of the dark forces. To do so, he has taken on the guise that is feared throughout the occult world: the righteous hero known as The Monk. Three beautiful sisters, the spawn of a demon, seek to control Johnny's mind, his body, his very soul. Sister Avarice is a corporate lawyer who uses her brains and her body to force Johnny into submission. Sister Anger owns a martial arts school for women, with a hatred of men and special passion for the fairer sex. Sister Lust is everything her name implies, running a high class bordello where a night of pleasure can lead to a lifetime of hell. Only one man can save the world from these bewitching sirens: Johnny Blake, The Monk.

A waitress from Texas and a college student from Pennsylvania meet during spring break in Fort Lauderdale, Florida and come together through their shared love of singing.