Ten-year-old Arthur's vivid imagination is captured by the tales his grandmother tells of a kingdom hidden in the garden. When his home comes under threat, Arthur plans to enlist the help of the fairy-like creatures residing on the property. Luc Besson's part-animated fantasy adventure, based on his own series of children's books, starring Freddie Highmore and Mia Farrow and featuring the voices of Madonna, Robert De Niro, Harvey Keitel and Emilio Estevez.

Ten-year-old Arthur, in a bid to save his grandfather's house from being demolished, goes looking for some much-fabled hidden treasure in the land of the Minimoys, tiny people living in harmony with nature.