Living with her tyrannical stepfather in a new home with her pregnant mother, 10-year-old Ofelia feels alone until she explores a decaying labyrinth guarded by a mysterious faun who claims to know her destiny. If she wishes to return to her real father, Ofelia must complete three terrifying tasks.

With his eye on a lovely aristocrat, a gifted illusionist named Eisenheim uses his powers to win her away from her betrothed, a crown prince. But Eisenheim's scheme creates tumult within the monarchy and ignites the suspicion of a dogged inspector.

Molly Mahoney is the awkward and insecure manager of Mr. Magorium's Wonder Emporium—the strangest, most fantastic and most wonderful toy store in the world. After Mr. Magorium bequeaths the store to her, a dark and ominous change begins to take over the once-remarkable Emporium.