The movie begins with a terrified young woman running through the halls of St. Ambrose University at night. She sees terrifying things like a dead student wearing an old uniform of St. Ambrose Uni. When she is clad in the same uniform, she becomes more terrified when she is scourged by an unseen force while a diabolical female laughter is heard. The young woman dies after being stoned and having her forehead sliced by a razor being held by an unknown female hand, later revealed to be that of Sister Margaret Monjardin, the evil Italian nun teacher who haunts the school in return for a terrible oath done in the past.