Two Korean girls, Jung-Min (14) and Young-hee (15) are kidnapped by the Japanese Imperial Army and taken to a 'Comfort Station' in China. There, they join other kidnapped girls in serving Japanese soldiers as sexual slaves known as 'Comfort Woman'. By the end of the war, only one of the girls survives. Decades later, an elderly lady attempts to reunite with the spirit of her lost friend. Inspired by the testimony of Kang Il-chul. Written by Darwin, RacnKel(amendment)

Eun-hee is hired as a vice principal at her old high school, where strange things take place in the closed down washroom. High school student Ha-young and So-yeon, who used the washroom as their hideout hear humming in the empty washroom, and believe that a ghost exists inside. Ha-young discovers a flowerpot on the stairs and suspect that Eun-hee is somehow linked to the mystery. Suffering from hallucination upon her inauguration, Eun-hee finds a ghastly figured girl in the washroom mirror and begins to believe that the girl was the one who brought her back to this school…