基哲(马东石饰演)被调派到乡下高中担任体育老师并兼任训导主任,不过,基哲一到学校便立刻觉得事有蹊跷,不仅学校职员散发出一股诡谲的气氛,镇上居民也好像隐藏着什么不可告人的秘密。某日,一名女学生失踪了,但大家却默不吭声,仿佛事情从未发生过,只有女学生的朋友宥贞(金赛纶饰),坚信好友遭人绑架,不放弃追查。 女学生消失的证据,正在一点点被抹去,基哲和宥贞这对师生,该如何找出事件背后的骇人真相,救出失踪女学生呢?Gi Cheol begins work as a contract gym teacher at a high school in a quiet countryside village. He feels weird because a female high school student went missing, but nobody in the village seems to care. Only Yoo Jin, who is the missing girl's friend, is sure that her friend has been kidnapped. Yoo Jin and GiCheol work together to find the missing girl, but Gi Cheol learns that traces of the missing girl are disappearing.