Roslyn Rutabaga is an exuberant, feisty young rabbit with a vivid imagination. One day Roslyn wakes up with a plan. She will dig the biggest hole on earth. With her father's quiet encouragement, Roslyn sets out on her big adventure. Obstacles abound -- a grumpy worm, a grouchy mole and a bone-hogging dog get in her way. Will she find a pirate's treasure or a dinosaur bone? Will she meet a penguin? Anything could happen!