Emiko Hayasaka (Seiko Matsuda), who lives in Hawaii, has arranged a marriage with Akira Kuniyoshi (Shinji Yamashita), the son of the president of a hotel chain. Although Emiko is not yet ready to get married, Akira and both of her parents are enthusiastic about the matchmaking. During a summer vacation in Japan, Emiko is attacked with a knife by a boy, but is saved by Shinji Terao (Kiichi Nakai), a young man who happens to be ing by. Shinji is ionate about windsurfing and trains hard every day for the world championships. Emiko is attracted to him because of his sincerity, though he is not very sociable. Upon returning to Hawaii, she overcame her parents' objections and got him to break off his proposal to Akira. Meanwhile, the world competition is approaching and Shinji comes to Hawaii from Japan.

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