聋哑青年茂(真木藏人饰)是名清洁工,他在一个清理垃圾堆时发现了一个被人扔掉的破旧冲浪板,捡去修好后就带着女朋友贵子(大岛弘子饰)到海边练习,贵子也是个聋哑人。 茂对冲浪从喜爱发展到痴迷的程度,他一下班就到海边不停地练习,而贵子总是坐在海滩上微笑地望着他。 日复一日,茂的技术越来越好。冲浪用品店老板送给茂一套潜水服,并给了他一份参加冲浪比赛的申请表。在比赛那天,茂和贵子兴致冲冲地到了海边,却因意外没有参加成比赛。但茂对冲浪的热爱不减,贵子也一如既往地支持他,在后来的比赛中,茂取得了优胜。几天以后,茂又到海边练习。贵子因事来迟,却没有看到茂,眼前是一片寂静的海面。Born with a hearing impairment, Shigeru is a part timer working for the sanitation service. His girlfriend Takako has the same condition as well. On his usual pickup route, Shigeru finds a broken surf-board in a pile of garbage. His introduction to the world of surfing. Shigeru fails in his attempt to catch a wave. Takako looks on as the locals heckle the first time surfer. Un-hindered by the world around them, Shigeru and Takako commute to the beach every day. Impressed by Shigeru's determination, owner of a surf shop hands Shigeru a wet suit and an entry form to a contest. Ironically, Shigeru is disqualified from the contest for missing the announcement. Not to be discouraged, Shigeru's love for surfing consumes everything around him. He is able to fit in with the local crowd and even finish respectably at the second contest. Summer comes to an end and the cold wind starts to blow between Shigeru and Takako...