Jiang Renxiu (played by Jiang Hena), who studies alone in Seoul, has the ability to see the beings of another world since he was a child. Although he is protected by his grandfather's amulet, he is constantly harassed by ghosts, so he decides to move back to his hometown to live with his uncle. Renxiu was born in a family of exorcists, but his uncle suffers from agoraphobia because of his past experience and lives in his home and refuses to come out. Renxiu, who transferred to the school, was hostile to Park Hyun-ji (played by Han Hye-lin) and Hae-cheol (played by Park Doo-sik), and at the same time he became friends with a beautiful high school girl ghost (played by Kim So-eun). Before that, a girl named Se-hee in Renxiu's class committed suicide, and the girls in Hyun-ji's group disappeared one after another. So, rumors about Se-hee's revenge began to spread. The cruel school bullying made the pure and innocent girl go to a dead end, and Se-hee, who had no one to help, wandered between life and death...