After the death of a high school track star during a race, a mysterious killer in a fencing mask begins murdering her friends and teachers.

At a high school senior prom, a masked killer stalks four teenagers who were responsible for the accidental death of a classmate six years prior.

As the residents of the Pi Kappa Sigma sorority house prepare for the festive season, a stranger begins to harass them with a series of obscene phone calls.