Evil School is an action packed interactive movie centered around the mysterious disappearance of schoolgirl Gu Panyu in 2018. After 3 days of confinement in an iron cage in the inventory room, the girl disappeared without a trace, and the fact of the crime was carefully concealed. 8 years later, her younger sister Gu Panqing finds a blood soaked diary revealing the names of the main offenders Li Manting and Zhang Yao. The search for the truth quickly turns into a cold-blooded operation to carry out cruel revenge.