Geronimo Stilton has to deal with his worst enemies, the pirate cats who have learned to travel back in time to Paris, France where they have a plan to thwart the dedication of the Eiffel Tower.
Geronimo travels back in time to help a young Wolfgang Amadeus Mozart, who is the target of the pirate cats' scheme in eighteenth century Italy to steal Mozart's musical scores before he can perform at a historic concert.
Geronimo and friends must travel back to thirteenth-century China to stop the Pirate Cats from corrupting Marco Polo's famous book, "The Travels of Marco Polo".
