In a solitary grave on the hill behind the campus, a red coffin is inserted sideways, half buried in the soil and half outside. A girl went alone late at night, opened the coffin lid, and found a female corpse wearing a red cheongsam lying in the coffin. Her eyes and neck were densely sewn with black silk threads. She picked up the female body like a man possessed, took off her beautiful cheongsam, and put it on. One day later, the girl in the dormitory found her decapitated body in the red coffin...