The book is about a young unicorn named Isabella who has lived in the same forest her whole life, but her family decides to move to a new forest. Isabella is scared and anxious about the move, worrying about fitting in and making new friends. As she explores the new forest, she meets other unicorns and a wise old owl who helps her with her worries and fears. With the help of her family and new friends, Isabella learns to adapt to her new surroundings...