The head girl Justine gives a speech on the funeral of the teenage schoolmate Darren Mullet who has just committed suicide but she does not recall who he was. Then she is invited by Alexis to date him in the celebration party in the house of his friend Bradley. Soon Justine discovers that Darren had a crush on her and was bullied by Bradley and his friends including Alexis. When each one of Bradley's friends is found dead, they discover that Darren has returned from beyond to revenge the humiliations he was submitted to. 校园暴力的两个启示。求插曲。痛快啊痛快。欺人者必死。关于一个该死的胖子的教育片。 英国某高中，身形肥胖、长相平平的达伦•马莱特（Calvin Dean 饰）自杀身亡。他的死并未在学校内引起太大波澜，欺负过他的坏孩子们继续寻欢作乐，载歌载舞；如学生会会长贾斯汀•菲尔丁（Tuppence Middleton 饰）这样美貌和学业俱佳的优等生则关心人际的改善和爱情的到来。学校中，似乎只有马莱特的好友詹森•班克斯（Olly Alexander 饰）真心为朋友难过。 在随后的派对上，这群高中生们尽情取乐。正当他们忘乎所以的时候，他们不约而同收到了来自马莱特手机发送的恐吓短信。当晚，一名学生在墓地被残忍杀害。这群学生原以为这是詹森的恶作剧，但接二连三发生的惨案表明，一切绝非如此简单……
