在这部杀戮校园恐怖片中,曾在战场上留下心理疾病、且婚姻失败的高中教师托德（Brian Austin Jr. 饰）性格阴郁，生活也非常不如意，他在学校里因性向和课堂教学问题不断遭到学生家长投诉，面临失业。校长忍无可忍找他谈话，为了让托德改过自新，校长命其下班后管理校园和几个留校查看的问题学生。 托德起先还能靠威严镇住这几个孩子，但他渐渐为战场阴影所困扰，精神陷于崩溃，他化身为恶魔杀手，向校园里仅有的学生们展开一场血腥屠杀。而这帮学生能否逃出这恶魔老师的魔掌？©豆瓣
Don Keller is a retired army captain turned high school professor. The day to day pressures from his principal and students are almost too much to handle and when he reaches his breaking point, the unimaginable happens as he transforms from a mild mannered teacher into a highly trained psycho killer.
