Once upon a time in the bustling city of Seoul, there were three young women who seemed to have it all - wealth, beauty, and charisma. However, beneath their glamorous façades lay a dark secret; they were known as the notorious trio of bullies who ruled their high school with an iron fist.

Meet Ji-Woo, the ringleader of the trio, known for her striking beauty and sharp tongue. Then there was Min-Hee, her loyal sidekick, whose family owned a chain of luxury hotels, making her the queen bee of the school's social hierarchy. Finally, Eun-Ji, the cunning strategist of the group, whose quick thinking always kept them one step ahead of their victims.

Together, they had terrorized their classmates for years, targeting anyone who dared to stand in their way. Their cruelty knew no bounds, and they reveled in the fear they instilled in others....