12名高中生被绑架并监禁在一个废弃的建筑物内，屏幕告诉他们，他们要亲身经历一场“狼人游戏”：在他们之中有狼人、村民、预言者、保镖、共有者、巫师和暴民等几个角色，按照游戏规则获胜的一方将会获得1亿日元的奖金，而在游戏过程中将不断有人被杀死。面对生存威胁，他们各有所图，究竟哪一方能胜出，致力于减少牺牲人数，想方设法逃脱的乾朱莉和相马葵最后成功了吗？ 12 high school students were kidnapped and imprisoned in an abandoned building, they told them to screen, experienced a "werewolf game": among them werewolves, villagers, prophet, bodyguard, CO owner, wizards and mob etc. several roles, according to the rules of the game winning party will get 100 million yen bonus, but in the course of the game will continue to have people killed. Faced with the threat of survival, they have to figure out which side can win, committed to reducing the number of people, trying to escape the dry Julie and the final success of the horse?