一群玩家相互厮杀的生存游戏,14名参赛者完成不同的游戏挑战,数字密码,丛林迷宫,秘密骰子……这里有智力和体力的比拼,也有结盟和背叛的转变,每个人都经历了血的洗礼,只有1名玩家可以走到最后。。Gyeong-ah works as a caregiver and lives alone. The only one she can rely on is her daughter, Yeon-su, but it's hard to see her after she moved out on her own. Meanwhile, Yeon-su, who is suffering from her ex-boyfriend, Sang-hyun, argues with him again and visits her mother’s house. After Yeon-su left, Gyeong-ah receives a shocking message from a stranger.。