Mi-Yeon a timid and introverted student Indoors ruthless bullying from her Tormenter on a Daily Basis this constant harassment Eventually takes a toll and one fateful day,Mi-Yeon Reaches her breaking point unleashing her pent up frustration in a violent act Against her bully as consequence she is forced to transfer to a alternative school designed for troubled students a place teeming with delinquents and misfits Determined Mi-Yeon plots her revenge using a web of complicated moves and strategies to ensure her tormentor receives a taste of their own medicine