A vicious killer sets out to silence anyone who might know the secret behind the untimely death of an attractive criminology professor, whose nude body is found by her best friend and co-worker, Professor Kimberly Stone. Driven to find her best friend's killer, Kimberly joins forces with a reluctant homicide detective as they scour Manhattan's underground night life, following the trail of a tortured soul, who may have chosen Kimberly as the next target.