In order to complete their history homework, Lin Mo, Su Yu, Chen Tao and Tang Wei entered a forbidden area on campus - the abandoned old library. The administrator's gloomy warning still rang in his ears: "Don't touch the books in the basement, they remember too many things that shouldn't be remembered." That night, Lin Mo was horrified to find that his diary was disappearing, and the figures of his companions in Su Yu's photos began to distort. The pragmatic Chen Tao went deep into the restricted area to seek evidence, but only left behind a desperate roar.
