Based on the best-seller book 'The Little Prince', the movie tells the story of a little girl that lives with resignation in a world where efficiency and work are the only dogmas. Everything will change when accidentally she discovers her neighbor that will tell her about the story of the Little Prince that he once met.

When 9 first comes to life, he finds himself in a post-apocalyptic world. All humans are gone, and it is only by chance that he discovers a small community of others like him taking refuge from fearsome machines that roam the earth intent on their extinction. Despite being the neophyte of the group, 9 convinces the others that hiding will do them no good.