"Alien is the first movie of one of the most popular sagas in science fiction history,
and introduces Sigourney Weaver as Ripley, the iron-willed woman destined to battle the galaxy's ultimate creature.
The terror begin when the crew of the spaceship Nostromo investigates a transmission from a desolate planet
and makes a horrifying discovery - a life form that breeds within a human host.
Now the crew must fight now only for its survival, but for the survival of all mankind."