Five twenty-something friends become holed up in a remote cabin. When they discover a Book of the Dead, they unwittingly summon up dormant demons living in the nearby woods, which possess the youngsters in succession until only one is left intact to fight for survival.
demon, forest, double barreled shotgun, flashback, head cut in half, split head, sole survivor, fire, buried alive, grave digging, arm cut off, drug addict, drug withdrawal, shower, car crash, rain, killing an animal, dead dog, cellar, severed arm
Happy days for those who love this sort of thing. But Raimi's effort, perhaps because we hadn't seen the plot before, was infinitely more scary.