The two small mice, Musse and Helium, have mysteriously ended up at the home of a girl named Camilla. When the mice one day discover a hole in the wall and are sucked into it, an exciting and magical adventure begins! They land in a world completely unlike our own called the Animal Kingdom. It turns out that Musse and Helium are prince and princess in the Animal Kingdom, and therefore, they are given a dangerous but very important mission. With the help of newfound friends, they get ready to embark on the adventure of their lives. They must find the lost Gold Cheese and secure the Animal Kingdom from the evil Dove Hunters and all that is wicked.