A mindless, savage, and merciless alien is attacking the crew of an intergalactic freighter, and it must be stopped before they are all killed. "...more than a hair-raising sci-fi thriller...one of the best horror movies ever made."--DVDTown.com "Horrifying in the most joyously primal way."--EFilmCritic.com "The way (Ridley) Scott meticulously raises the sense of menace and tension is worthy of Hitchcock."--Reelviews