Hugo, an orphan aged 12, lives in the walls of the Paris train station and looks after its mechanical watches. One of the most valuable possessions of Hugo is a broken mechanical man, a device with the appearance of a man with a pencil in hand, as if ready to deliver a message of a colossal importance. Hugo is convinced that if the repair mechanical man, he will be able to write a message.
To succeed repair, boy steals pieces of toys in a shop, and his extraordinary adventures that took place early last century, it will revolve around a book disappeared, drawing of a highly familiar and the magic of silent films . Georges Méliès, famous for Le voyage dans la lune film, from 1902, shows up in Hugo’s destiny.