Twenty years ago a pair of killers committed a series of brutal murders.Their final target was The Hollow Campground. An entire family was dragged from their cabins and slaughtered. Then the killers disappeared.Now they're back. The Hollow has recently re-opened, but people haven't forgotten the carnage that took place there. Liz Mallory is taking a weekend camping trip to the Hollow with her old college friends. Hoping to make some memories. Liz doesn't know they're being watched. The killers have come home, and the weekend plans are about to take a turn for the worse. The Hollow. How long could you survive?