Min-Ah (Kim Gyu-Ri) descry a maroon journal near a H2O fountain at school. She’s belatedly for category and take the diary with her. In category, Min-Ah open the diary and experience a brief hallucinatory experience. The diary originally belong to two girl that go to the same school, Hyo-Shin (parkland Ye-Jin) and Si-Eun (Rie Young-Zin). The two girl look to portion a human relationship that’s close than even best friend. As Min-Ah becomes immerse in their universe, a self-destruction happen at school. Hyo-Shin leap to her decease from the roof a school edifice. Soon, Hyo-Shin’s spirit unleashes unbridle panic upon her former school.