Hoyoung Cheon is equipped with just a gun and a frying pan to survive Battlegrounds, a brutal 100-player battle-royale game. The sole objective is to eliminate all other participants, who happen to be death-row convicts. Surviving amidst 99 killers won't be easy, but Hoyoung's mission goes beyond mere survival. He must also rescue an assemblyman who was taken captive while investigating the game. Can Hoyoung navigate the treacherous island, complete his task, and emerge as the ultimate victor?