In 1986, three teens were brutally murdered after knocking on the door of 59 Oakwood Lane. The killer was never found. Over the next forty years, rumours turned to legend, and while few will admit to believing the stories, kids are still warned never knock on the door of 59 Oakwood Lane for fear of what may answer.On this Halloween night, Grace and her friends are going to wish they’d heeded the warnings and never knocked…

一年前的这个小镇发生一宗凶残的当地女童谋杀案，至今仍然没破案。一年后，一个全身浴血的男孩子在警局出现。警长积克为女童一案耿耿于怀，现在他得面对自己的心魔。他正尽全力去找出这个男孩的真正身份和有可能的被害者。但积克不知道他将会面对非常恐怖的事情。在目出之前，生人得为死者妨受痛苦付出代价。