Living alone along the white sand and turquoise waters of Okinawa is a blind professor who spends his days collecting and writing about seashells. His solitude is interrupted when a woman washes up unconscious on the shore. Restored to health, the young woman is stung by one of the professor‘s poisonous shellfish and unexpectedly cured of a rare disease. News about the shellfish‘s healing power spreads quickly and soon everyone seeks out the professor‘s cure, including his estranged son.