Possessed

Kang Pil Sung works as a detective. His instincts as a detective are excellent, and he is foul-mouthed. He is both lazy and rough, but he is also soft-hearted.
Hong Seo Jung has excellent psychic mediumship, but she tries to hide her ability. This causes her to keep a distance from other people, and she lives a lonely life.
While Kang Pil Sung investigates a case, he happens to meet Hong Seo Jung. He thinks that she is different from others and takes an interest in her. They begin to solve cases together using their special abilities.