剧情讲述唯一高中二年三班的学生们修学旅行期间，在受到诅咒的训练所里，突然被迫参加一场不可能逃脱的致命游戏，展开激烈的欺骗心理战并为生存而奋斗的故事。

A once promising baseball star is constantly hunted by two hitmen when a young boy asks him to sell his baseball jacket. A high school student acquires a sleep control device to help him with his exams, and ends up getti…