It was late at night, in the wilderness. Several young men and women went to explore an abandoned factory in Yongning County and live-broadcasted the whole process on Weibo. They paid a huge price for their ignorance and audacity. In the end, one died, one went crazy, the other two were in a coma, and one was missing. The beautiful female reporter Xiao Wei (played by Deng Ziyi)'s sister Peipei and her friend Ziyan were the victims of the accident. The doctor told them that their sister must have been frightened in an unimaginable way before the accident. After investigation, Xiao Wei's partner Akang (played by Tang Yuzhe) found that Peipei and the others had been @ed by a mysterious Weibo account a few days ago. After that, a countdown screen appeared on their Weibo, and the one who had returned to zero was the current deceased Ziyan. Xiao Wei, who never believed in ghost legends, decided to personally set foot in the Yongning factory to find out. As Xiao Wei and Akang tracked down, the horrible truth slowly surfaced...