While Sergeant John Tyree is home on two weeks leave from Germany, he meets Savannah after he dives into the ocean to retrieve Savannah's purse that had fallen off a pier. John eventually falls in love with Savannah, who promises to write to him until he returns from overseas.
Five young New Yorkers throw their friend a going-away party the night that a monster the size of a skyscraper descends upon the city. Told from the point of view of their video camera, the film is a document of their attempt to survive the most surreal, horrifying event of their lives.
Five young friends find the mysterious and fiercely powerful Book of the Dead, and unable to resist its temptation, release a violent demon on a bloodthirsty quest to possess them all.