When twelve-year-old Hugo, an orphan living and repairing clocks within the walls of a Paris train station in 1931, meets a mysterious toyseller and his goddaughter, his undercover life and his biggest secret are jeopardized.

"Maud Heighton came to Lafond's famous Academie to paint, and to flee the constraints of her small English town. It took all her courage to escape, but Paris, she quickly realizes, is no place for a light purse. While her fellow students enjoy the dazzling decadence of the Belle Epoque, Maud slips into poverty. Quietly starving, and dreading another cold Paris winter, Maud is hired by Christian Morel as companion to his beautiful, young sister, Sylvie....