Transfer student Lin Xia has barely set foot in Qingteng High School when she is enveloped by the eerie atmosphere surrounding the old building. Shattered glass resembles hollow eyes, while a mysterious force that both summons and warns follows her like a shadow. Gu Chuan, who seems carefree and irreverent, and Shen Xingyao, cool and distant, are drawn into her life because of rumors about a girl who jumped to her death from the rooftop seven years ago. When footsteps and sobbing return to the old building on rainy days, and a crystal pendant growing hot in her hand becomes the key to solving the mystery, an investigation is about to begin. But what kind of chilling past will the truth hidden beneath the peeling walls reveal?
