The book tells the story of a young boy named Tommy and his chihuahua best friend, Peep. Together they go on various adventures and explore the outdoors. They come across a lost puppy and decide to help him find his way home. As they journey through the forest, they encounter different animals who offer to help them. Tommy and Peep also help other animals they come across, such as freeing a bird caught in a vine and untangling a duckling from reeds...