19岁的安冈邦彦是一位热爱绘画的青年，成功考入了大学美术系。然而，他的人生却因一场变故而陷入困境。在母亲突然离世后，未经世事的他承受着巨大的打击。就在这时，经营咖啡店的中年男子武内铁男出现了。他在道顿堀川边上的咖啡店运营，对邦彦的遭遇深感同情。为了帮助这个年轻人，铁男出资安葬了邦彦的母亲，并留下他在店中帮忙

铁男的儿子政夫则是一个痴迷于桌球和赌博的人。他们父子因此而关系紧张。然而，在邦彦的出现后，铁男却将邦彦视为自己的亲生儿子，对他呵护备至。与此同时，政夫却陷入赌球的泥潭，越陷越深。

一天，邦彦在桥上写生时邂逅了风姿绰约的真知子。这个奇妙的相遇，成为了他们之间不可思议的缘分。

电影《道顿堀川》改编自宫本辉的“河流三部曲”之一，取材自同名小说。影片中展现了青春与温情的碰撞，描述了不同年龄段、背景和人生阶段的人们之间的交织和互动。

这部电影深刻探讨了青年安冈邦彦在追求艺术梦想的过程中所经历的挫折与成长，母亲的离世让他陷入迷茫，但同时也有铁男这样一位善良的中年人，给予他无私的关爱和帮助。正是这种友情和家人间的温暖，帮助邦彦渐渐走出了低谷，重新找回了生活的勇气与希望。

与此同时，铁男与自己痴迷赌博的儿子政夫之间的关系也展现了家庭之间的复杂性。在邦彦的介入下，政夫逐渐认识到自己的问题，也在铁男的支持下尝试走出困境，展现了家庭的温情和成长。

影片也将目光投向了邦彦与真知子之间的爱情线。邦彦通过偶然的相遇，认识了真知子，两人因此展开了一段别开生面的感情故事。这种命运的巧合，让整个故事增添了浪漫与戏剧性。

19-year-old Yasuoka Kunihiko is a young man who loves painting and has successfully entered the art department of the university. However, his life was in trouble due to an accident. After the sudden death of his mother, he suffered a huge blow in his innocence. Just then, Takeuchi Tetsuo, a middle-aged man who runs a coffee shop, appears. He runs a coffee shop on the edge of the Dotonbori River and feels deep sympathy for Kunihiko's experience. To help the young man, Tetsuo pays for the burial of Kunihiko's mother and leaves him to help in the store

Tetsuo's son, Zhengfu, is obsessed with billiards and gambling. The relationship between their father and son was tense because of this. However, after Bangyan's appearance, Tetsuo regards Bangyan as his own son and takes good care of him. At the same time, Zhengfu fell into the quagmire of gambling, getting deeper and deeper.

One day, Kunihiko met the graceful Machiko while sketching on the bridge. This wonderful encounter has become an incredible fate between them.

The movie "Dotonbori River" is adapted from one of Teru Miyamoto's "River Trilogy", based on the novel of the same name. The film shows the collision of youth and warmth, and describes the interweaving and interaction between people of different ages, backgrounds and life stages.

This film deeply explores the setbacks and growth experienced by young Yasuoka Kunihiko in the process of pursuing his artistic dream, and the death of his mother. Let him fall into confusion, but at the same time, there is a kind middle-aged man like Tetsuo who gives him selfless care and help. It is this kind of friendship and the warmth of the family that help Bangyan gradually get out of the trough and regain the courage and hope of life.

At the same time, the relationship between Tetsuo and his gambling-obsessed son Zhengfu also shows the complexity of the family. With Kunihiko's intervention, Zheng Fu gradually realized his own problems, and tried to get out of the predicament with Tetsuo's support, showing the warmth and growth of the family.

The film also focuses on the love line between Kunihiko and Machiko. Bangyan got to know Machiko through a chance encounter, and the two started a unique emotional story. This fateful coincidence adds romance and drama to the whole story.