Bruce Lee has just died, but the BSI is swinging into action to salvage the situation. Aided by the brilliant Professor Lucas, cells from the martial arts master's body are removed and grown into three adult Bruce Lee clones. After undergoing training to bring their skills up to the level of their 'father', the three are sent out to battle crime, with one sent to take on a gold smuggler, and the other two teaming up to shut down an evil mad scientist.

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.

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.

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.