High school senior Samut is an academic overachiever. He is a representative of his school competing in academic contests. His bright future, however, vanishes after he's involved in an altercation and expelled from school. He's transferred to a new school and, because of the trauma, loses his passion for school. One day, Samut finds an ancient dice which brings him and seven other students into a mysterious board game. The eight students are competing, outsmarting, and backstabbing each other to stay alive in this mysterious game. Their lives are at stake and the only way to get out of the game is by defeating other contestants.