The notorious Official Choi wants the precious heirloom of commoner Kim Sung-bo's family so he has the whole family killed and seizes the heirloom. Kim Sung-bo has become a spirit. On rainy days, he goes into the body of his friend Jung Il-do and tries to have his revenge on Official Choi.

In-chul, a scholar of botany, is climbing a mountain for some research when he meets Jin-suk who lives in a forest cottage. At the request of Jin-suk's father, Sang-do, In-chul stays and lives with them. One day, a snake catcher falls under the temptation of Sang-do and is used as a body for dissection. While probing dubious action of Sang-do, In-chul is captured and locked in the basement. He is to become the subject of a live dissection. In-chul had been suspicious of their behavior and investigating when he was caught. In-chul is lying on a surgery table when he escapes with the help of a young hiker and Jin-suk. Sang-do confesses that he had been suffering from nightmares ever since he was dragged off by the Japanese and forced to perform live dissections. These nightmares have made Sang-do a murderer. After his confession, Sang-do kills himself. In-chul and Jin-suk leave the cottage.

A howling cry fills the night air of the dark cemetery grounds. The moon illuminates the graves that line up the grounds. The howling continues when a ghost with blood flowing down her face and her hair flowing down her back smiles fiendishly. The ghost lets out a fiendish laugh and turns into a beautiful young girl. So-young was engaged to be married to Sang-cheol. But a wealthy businessman Han who wanted Sang-cheol as his son-in-law schemes to get rid of So-young. In the end, Han traps Sang-cheol into killing So-young and marries Ji-hye, Han's daughter. So-young leaves a letter for her younger brother Tae-ha asking him to pass his civil service exams and to avenge her death for her. She begins to help her brother with her supernatural abilities. The angry ghost of So-young begins a series of bloody revenges on Han and Sang-cheol.