James Cameron Movie synopsis.

(Marines Pauper Marines) find themselves in a foreign (alien high society alien) world that is hostile to them. The situation is complicated when a rich money grubbing business man threatens to take away their (life love research) . Strong female lead (Sigourney Weaver Kate Winslet Sigourney Weaver) has a confrontation with said business man revealing him for his true nature. Shortly after the world is inexplicably thrown into chaos and their whole world is threatened with destruction. Things go bad and most people die except for our main characters who escape by (flying off-world float on a door making everybody else fly off-world).