Jang-woo had only his sister to live for until she is brutally murdered. During a ritual to send her spirit to heaven, he comes across a suspicious man, who manages to escape from the scene. He begins to suspect a local pharmacist and keeps an eye on him. Although Jang-woo is absolutely convinced that the pharmacist is the killer, no one believes him because the pharmacist is considered the kindest man in town. But he gets help from a possessed woman named Si-eun who foresees how people die. Their pursuit begins and Si-eun predicts yet another murder.
A patrol officer gets into an accident and his soul gets separated from his body. Desperate to solve the case and return to his beloved girlfriend, but is at his wits’ end as a wandering spirit. Unexpectedly he discovers someone who can see him.