Tough-talking Detroit cop Axel Foley heads to the rarified world of Beverly Hills in his beat-up Chevy Nova to investigate a friend’s murder, but soon realizes he’s stumbled onto something much more complicated. Bungling rookie detective, Billy Rosewood joins the fish-out-of-water Axel and shows him the West Los Angeles ropes.
When Ripley’s lifepod is found by a salvage crew over 50 years later, she finds that terra-formers are on the very planet they found the alien species. When the company sends a family of colonists out to investigate her story—all contact is lost with the planet and colonists. They enlist Ripley and the colonial marines to return and search for answers.