Ren Zhixun (Lee Chung-soo), who is knowledgeable, tall and handsome, is a well-known psychiatrist. He tends to think calmly about the emotions between people and attributes everything to the most rational and scientific explanation. Although he feels deeply lonely in his heart, he often sings and sings with different women every night, living together and indulging in the pleasure of the flesh. His colleague and good friend Junji is different. He is a traditional man who pursues true love. Junji met the beautiful puppeteer Hyun-jeong (Gu Ji-sung) through a blind date, but the other party seemed to have endless thoughts hidden. Hyun-jeong often sees terrifying ghosts appear in front of her, and sometimes loses consciousness inexplicably. In order to help his girlfriend out of trouble, Junji asked Zhixun to use hypnosis to treat Hyun-jeong. During the hypnosis process, Hyun-jeong told her secret past and began to show a seductive and ghostly personality. Unable to resist the temptation, Zhixun used hypnosis to cross the forbidden area, regardless of any consequences...