Geronimo Stilton is about the titular character, a mouse journalist and head of the Geronimo Stilton Media Group. He searches New Mouse City and places around the world for new scoops while having adventures along the way with his nephew Benjamin, cousin Trap, sister Thea and Benjamin's friend Pandora Woz. Most episodes share no story connections and are generally self-contained, though some episodes feature ties and characters from others.

Geronimo stumble on a conspiracy that is bigger than anything he and his collaborators have ever tackled before. But working together, they attempt to stay one step ahead of the enemy in a game of cat and mouse.

Get set for loads of laughter with four action-packed adventures starring Geronimo Stilton, the most famous New Mouse City journalist, who's an unlikely, yet loveable action-hero with two left paws. Adventure always comes knocking for Geronimo and his pals, launching them paws-first into exciting capers filled with hilarious hijinks and far-flung antics that take them all around the world in search of the next big scoop.