Min Ah discovers a scarlet-covered diary as she is hurrying to school. She has a brief hallucinatory experience when she opens it, initiating a series of strange occurrences which eventually draw Min Ah into the eerie world of the diary. In her desire to find out more about the diary, Min Ah feigns an illness, getting permission to lie down in the school's clinic.
There she witnesses the reunion of Hyo Shin
