Y/N faces a bleak and uncertain future after she suffers an online obsession that ends her normal White American life. She soon turns to Sasaeng school that trains exceptional young people to use their minds and bodies as weapons. Y/N emerges as the most dangerous Sasaeng after completing the sadistic training process. As she comes to terms with her new abilities, Y/N meets a kpop idol who tries to convince her that he is the only person she can trust.