Vincent is a normal salaryman with a somewhat normal life, With a girlfriend of 5 years or so named Katherine, Katherine is pushing to get married, and Vincent is a bit afraid to do the final tie-downs. During a night of drinking and contemplation of marrying with Katherine, Vincent meets a rather beautiful, young girl by the name of Catherine. Catherine's charms and beauty are just enough to sway the intoxicated Vincent into sleeping with her, and after that night of sleeping with this mysterious girl, Vincent begins to have horrible nightmares of falling, and strange sheep men. The nightmares are slowly getting worse, and Vincent can't shake off this strange feeling that Katherine knows of his cheating on her, as if that wasn't enough, Vincent learns of unfaithful men, dying in their sleep, and his friend tells rumors of dreams...."When you have dreams of when you're falling and you can't wake up, you'll never wake up again, and die."