Kino lives on a farm on the side of a mountain in Japan. His friend, Jiya, lives in a fishing village below. Everyone, including Kino and Jiya, has heard of the big wave. No one suspects it will wipe out the whole village and Jiya's family, too. As Jiya struggles to overcome his sorrow, he understands it is in the presence of danger that one learns to be brave, and to appreciate how wonderful life can be.