 A young woman has a tragic accident, slipping on a skateboard and falling off the roof of a tall building. Koo Chi Ming, an insurance investigator, is sent to determine whether the girl s death is an accident or a suicide and he recognizes the young woman from an earlier chance encounter. His boss wants him to conclude it was a suicide so that the insurance company doesn t have to pay. The young woman s ghost visits Koo to tell him that her death was accidental and they fall in love. When Koo s girlfriend and his parents find out he s in love with a spirit, they hire an exorcist to get rid of her.