Bunny wants to have a pet, just like Annie does. Annie's pet sheep Oliver follows Annie around everywhere and they are best friends. Bunny wishes for her own pet. Dibo gives her a pink caterpillar. A caterpillar! Dibo's gift is not quite the pretty pet that Bunny was expecting. However, Bunny gradually comes to love the pink caterpillar. She even gives up her precious pink flower for her caterpillar to eat. Then the pink caterpillar grows into a beautiful butterfly. Now Bunny has a very beautiful and very special pet.