Yukio, a farm boy, and Toru, a fisherboy, live in a small Japanese village that is periodically threatened by a volcano on one side and tidal waves on the other. Yukio's younger sister Setsu follows then and dreams of becoming a pearl diver. Toru is preparing to go fishing with his father when a bell tolls and a danger flag is hung high on the hill behind the village to warn of an impending tidal wave by the village patriarch, known as Old Gentleman.

Ce synopsis est en anglais : nous ne l'avons pas encore traduit.