In Mousefjord, it's time to elect Miss Shell of the fjord. Geronimord is obliged to play the role of judge and, as always, gets into trouble because he has to choose the winner... and disappoint all the others! Suddenly, however, the Dragons attack the village! But they haven't counted on the Mousequeens: this is their day and no one is going to ruin it for them, not even these huge dragons! In the far North, in a mysterious archipelago, lives a people of rodents who fear nothing, except the dragons... The Mousekings! They are all tall, strong, and courageous, all except Geronimord. He is the intellectual of the village and his dream is to win a Mouseking helmet and... the heart of the beautiful Turphina!