In the summer of 2001, Ryo Hagio, a high school student living in a country town by the sea, is spending his last summer vacation in high school with his classmates Manabu, Kosugi, and Hotta. One day, he meets Wang Jia-ling, a foreign exchange student from Taiwan who dreams of becoming a dolphin trainer. Ryo, who hates dolphins and the ocean, is at odds with Ling, but when he learns of her true feelings about coming to Japan, they begin to have a heart-to-heart talk...