Marie and Luis meet at a costume party and immediately fall for each other. Two hours after they first look into each other's eyes, Marie has the most exciting sex of her life. Marie is in love. Luis is under pressure. He has to fight his sexual fantasies day and night. And because Luis is also truly in love for the first time, he has to keep it a secret from Marie.

Luis wants a serious relationship with Marie. At the same time, he's living a double life, trying to relieve his pressure with increasingly violent sex in swinger clubs and brothels. In desperation, he finally stops his lies and reveals to Marie that he's cheating on her. Marie is deeply hurt. Only one realization saves her: Luis is a sex addict and needs to be cured!