A paraplegic marine dispatched to the moon Pandora on a unique mission becomes torn between following his orders and protecting the world he feels is his home.
After a space merchant vessel perceives an unknown transmission as a distress call, its landing on the source moon finds one of the crew attacked by a mysterious life-form, and they soon realize that its life cycle has merely begun.
The moon from Alien (1979) has been colonized, but contact is lost. This time, the rescue team has impressive firepower, but will it be enough?