The crew of a cargo spacecraft answer a distress call from a derelict alien spacecraft. However, their mission of mercy has fatal repercussions when a deadly, seemingly indestructible alien monster gets aboard their ship and starts killing them one by one. Ridley Scott's sci-fi horror, starring Sigourney Weaver, Tom Skerritt, Ian Holm and John Hurt.

During its return to the earth, commercial spaceship Nostromo intercepts a distress signal from a distant planet. When a three-member team of the crew discovers a chamber containing thousands of eggs on the planet, a creature inside one of the eggs attacks an explorer. The entire crew is unaware of the impending nightmare set to descend upon them when the alien parasite planted inside its unfortunate host is birthed.