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 a faun named Mune becomes the Guardian of the Moon, little did he had unprepared experience with the Moon and an accident that could put both the Moon and the Sun in danger, including a corrupt titan named Necross who wants the Sun for himself and placing the balance of night and day in great peril. Now with the help of a wax-child named Glim and the warrior, Sohone who also became the Sun Guardian, they go out on an exciting journey to get the Sun back and restore the Moon to their rightful place in the sky.

Somewhere between Montmartre and Saint-Germain-des-Prés, Jean-Jacques Sempé and René Goscinny lean over a large white sheet of paper and bring to life a mischievous and endearing boy, Little Nicolas. From schoolyard games and fights to summer camp pranks and camaraderie, Nicolas lives a merry and enriching childhood – and brings friendship and newfound life to his creators, too.