Ko Se-bin

Seventeen-year-old Sue is sentenced to two years in a juvenile detention facility after becoming violent to protect her bullied friend Lynn. The girls first became friends in a secret online group called 'The Bully Club', where bullied and ostracised teens find support and understanding from each other. For a while, it was the only good thing in Sue and Lynn's lives and gave them a chance to escape their other problems.

Hoping for freedom, Gyeongseong's top pickpocket infiltrates the Japanese colonial government to steal secrets — only to fall for her target's son.