Aliens is a science fiction action film directed by James Cameron. The story follows Ellen Ripley (Sigourney Weaver) as she returns to the planet where her crew first encountered the deadly alien species. This time, she joins a group of colonial marines sent to investigate a colony that has mysteriously gone silent. Upon arrival, they discover that the colonists have been attacked by a horde of aliens. Ripley, alongside the marines, must fight for survival against overwhelming odds. The film explores themes of maternal instincts, corporate greed, and human resilience, delivering intense action and suspense that cemented its status as a sci-fi classic.