"I'll get bullied for you." Tae, a high school student, is the target of bullying in her class. As the bullying becomes more extreme day by day, she finally reaches her limit and contemplates suicide. That's when she meets Meg, a girl who suddenly appears and has a face similar to hers, and she ends up switching places with her and asking her to go to her school. Meg pretends to be Tae, but no one knows that she is actually a psychopath. A psychological suspense drama in which a school is drawn into a vortex of fear by a single girl!!