Will Atenton quit a high-profile job in Manhattan to relocate his wife, Libby, and their two daughters to a quaint New England town. But as they settle into their new life, they discover their perfect home was once the murder scene of a mother and her children. When Will investigates, he's not sure if he's seeing ghosts or if the tragic events are somehow related to his past. The only clues come from his mysterious neighbor.

Newly divorced Sarah and her teenage daughter Elissa have just moved to the suburbs for a fresh start. But their hopes quickly shatter as they learn that, years earlier, a grisly murder took place next door when a deranged girl killed her parents and disappeared. The girl's older brother Ryan still occupies the house, and when he befriends Elissa, his secretive past could become her worst nightmare.