The magic tree house lands Jack and Annie on a sunny beach in Hawaii. They are searching for a special gift from a Hawaiian Kahuna, or priest, to help Morgan le Fay. They experience the beautiful Hawaiian culture, learn to surf, and encounter a powerful tidal wave. They must save a monk seal and use the magic of the island to escape the dangerous wave, leading to a final lesson about the ocean and respecting ancient traditions. They must act quickly to save a lost Hawaiian monk seal and use the knowledge and magic of the island's Kahuna to protect themselves from the dangerous wave. The siblings learn about the power of the ocean and the importance of respecting ancient traditions before successfully escaping the island.
