Two rival toy shop owners reluctantly join forces when an unscrupulous toy magnate opens a box store in their town.

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.

When missile technology is used to enhance toy action figures, the toys soon begin to take their battle programming too seriously.