On a sunny day, six medical students, including He Xinyue (played by Yin Guoer), Ma Xiaoli (played by Chen Yuan), Huang Yanyan (played by Chen Jiamin), Lei Yonghan (played by Li Henan), Yang Gang (played by Song Wei) and Zeng Ping (played by Sun Xinya), came to the abandoned old school building to play. Half a year ago, a bizarre murder occurred in the school. A woman died from the horror rumor of "good friends, back to back". Everyone said that there were ghosts here, which once made people panic. The fearless young men and women ignored the warning of Master Qin, who was guarding the old school building, and insisted on staying here for two days. As night fell, people's hearts were floating. Some people saw a flash of ghosts, and some people's selfish desires swelled. The next morning, Huang Yanyan mysteriously disappeared. The group of men and women were panicked, and their nightmare entered the most terrifying moment...