Selfish yuppie Charlie Babbitt’s father left a fortune to his savant brother Raymond and a pittance to Charlie; they travel cross-country.

A young man and his girlfriend move into the man’s old mansion home, where he becomes possessed by a need to control ancient demons.

Five campers arrive in the mountains to examine some property they have bought, but are warned by the forest ranger Roy McLean that a huge machete-wielding maniac has been terrorising…