As a blazing sun beats down on Versailles, Belfort and Lupin discover that a young marmot named Joran has arrived with a load of ice ordered by the King! They must help him get back to his family in the mountains.

Challenged by Lupin, Belfort's two sisters enter the labyrinth. According to the legend, all the animals that have entered it were turned into stone statues ! Belfort can't bring himself to allow Tane and Ponne, no matter how mean they can be, to remain prisoners of the labyrinth ! He convinces Lupin that it's urgent to rescue them.

Today, the Royal Dogs are put to the test before the King himself. They must retrieve a perfumed handkerchief hidden in the forest. A disaster for Belfort and his defective snout ! This time for sure, he'll disappoint his master and end up in a kennel ! Lupin, with his extraordinary sense of smell, decides to coach his friend and awaken his snout.

Because of Belfort and Lupin, the lion of the Menagerie has got a stiff neck ! He can't move around anymore. Furious, he refuses to miss tonight's dance recital that Belfort will perform in the groves. He orders Belfort and Lupin to help him get there. Feeling guilty, our two heroes naturally agree to help him.

As the royal perfumer presents his latest creations to the Queen, her parrot seems to have disappeared ! And everything seems to point to Ariane (Vauban's cat) having devoured it ! Belfort and Lupin do everything in their power to clear their friend's name.

Today, Monsieur Binet, the royal wigmaker, is frantic : the Queen's favorite wig has disappeared. Gazette, the mouse, is distraught because this wig is her home ! It holds so many memories that losing it forever would be terrible. Belfort and Lupin, touched by their friend's story, become canine detectives and lead the investigation to find the wig house.