In the movie Avatar,the story occurs in the year 2154.A marine(海军陆战队士兵) named Jake is sent to a faraway planet called Pandora where live blue-skinned Na’vi people and is rich in a precious matter,which a greedy company head strongly wants to have.In order to win Na’ vi people’s trust and then convince them to go away,Jake transfers his spirit into a remotely controlled Na’vi body,called an avatar. But as Jake joins with the Na’vi people,he gradually develops a close relationship with the locals and finally decides to stand on their side against the human threat.