yle=color: rgb(17, 17, 17); f>A call to a quiet suburban home unleashes unthinkable carnage when two officers mistakenly shoot a man and his infant child, spiraling the tragedy into a fierce, unrelenting fall into the unknown.

In 1980's suburbia, exactly a year after a young woman is brutally murdered by babysitter killer "The Reaper", her sister, Deena returns home just as the Reaper returns. When Deena steps in to babysit the town Sheriff's son the evening escalates with shocking and unexpected results.

影片讲述的是一位新妈妈 Mary （克里斯蒂·柏克 饰）保护新生儿 Adam（Grace Christensen 饰）的故事。Mary 生了一对双胞胎，但其中只有 Adam 存活了下来。在照顾 Adam 的过程中她疯狂地认为有某种超自然的实体在不惜任何代价地把 Adam 从她身边带走。