Orphan, clock keeper and thief, Hugo lives in the walls of a busy Paris train station, where his survival depends on secrets and anonymity. But when his world suddenly interlocks with an eccentric, bookish girl and a bitter old man who runs a toy booth in the station, Hugo's undercover life, and his most precious secret, are put in jeopardy.
A cryptic drawing, a treasured notebook, a stolen key, a mechanical man and a hidden message from Hugo's dead father from the backbone of this intricate, tender and spellbinding mystery.