It was supposed to be a simple publicity stunt: four famous horror authors spending the night in one of the world’s most notorious haunted houses. But their presence awakens an evil that will haunt them long after they leave...

Thirty years ago, 10-year-old Kris Barlow spent a summer by the lake playing with her imaginary friend. Now, thirty years later, Kris returns to the lake house, only to discover that Violet is still there, and she wants to play.