When an American-style residential camp is set up in the grounds of an English stately home, the teenage instructors are looking forward to a summer of fun activities. But right from the start, things don't feel quite right at Camp Miller.

There are rumours of a tragedy that took place in the grounds and unexplained sightings of a ghostly presence. Then the incidents begin - a near-drowning out on the lake, a fatal fall from a cliff-face ... Are these tragic accidents or is there something more sinister going on at Camp Killer ...?