Percy Hynes White

Remi and Barnes, two very different teenagers, meet by chance in the winter of their senior year, then spend four days together over the course of a year that will change their lives forever.

A young genius accidentally invents a device that amplifies the paranormal activity within his family's house, possibly bringing back the spirits of loved ones, and unleashing things far worse.

When two brothers are stranded by a brutal winter storm with an unpredictable father they barely know, the boys begin to suspect their supposed protector may be their biggest threat.