When she becomes a bystander to an unforgivable act of violence, Anna finds herself ensnared by Mr. Sandman – the twisted soul of a tormented child who haunts bullies’ dreams before feasting on their eyeballs when they finally wake....

　凯伦麦肯井然有序的生活，因一名变态杀手闯入她家谋杀她17岁的女儿而整个破灭。但她的震惊悲伤转眼却变成愤怒怀疑，因为凶手在法律漏洞下竟被判无罪开释，所以当他又犯下另一桩血案...