New Mouse City was having its first film festival! Famouse directors around the world had submitted their very best movies for a chance at the big prize. But at the big screening, Mousen Scorsese's newest film goes missing! Who could have stolen it and why? Hercule and Geronimo spring into action to solve the case!

Geronimo Stilton is the pseudonym of the famous Italian writer Elisabetta Dami. She has written the famous series of books on Geronimo Stilton. She co-owns the Italian based publishing company called Edizioni Piemme. She likes to get all her ideas through her travels to places around the world.