The beautiful writer Mei Zi (played by Xiao Qiang) and her husband Wang Tiancheng (played by Zhang Zhaohui), the president of Tianlong Group, lived a happy life of luxury, but the happiness of this family was destroyed by a sudden disaster. Their lovely son Xiaoyun died unexpectedly. Since then, Mei Zi has been immersed in grief and unable to extricate herself. She is in a trance and often hears her son's voice and sees his figure when she is alone at home. Wang Tiancheng is devoted to his career, and his emotions gradually move to him in the process. Mei Zi, who is alone in the empty room most of the time, is tortured by the vision and turns to her good friend Meng Yifan (played by Ma Tianyu) for help. Mei Zi is almost mentally collapsed and is sent to the hospital for treatment by Wang Tiancheng. Meng investigates deeply, but falls deeper and deeper into a strange trap... This is a film that claims to have taken seven years to shoot and is particularly terrifying.