The beetle introduces himself as Mr. Buzzworthy, the 5th descendant from the dynasty of Buzzworthy, who then tells them his tragic story: hundreds of years ago, on a Sunday morning, his great-great-great-grandfather was resting on a birch, when an evil woodcutter chopped the tree down and took it away, also taking the beetle's sixth leg (lower left arm) with him; as a consequence, all following generations were born only with five legs.
When the beetle realizes that his leg is missing, the Fairy advises him to search for two kind children who have never hurt anyone and are brave enough for a dangerous journey to the Moon.
Reminding the Fairy of her promise, she gives them the Great Bear to help them get to the Moon, telling them that the Makers will help them in their journey only when they show true courage against any danger.
After fending off some hostile wolves, they arrive at a cannon which shoots Peter, Annabelle and Mr. Buzzworthy to the top of the mountain, where the tree with the beetle's leg stands.
When the sun rises, the ice from the Moon Man melts and he tries to attack them, but they escape him by flying into a chimney that wakes them up, revealing it all to be a dream.