1954年9月，一艘往来于青森和函馆的客轮在海上沉没，大批的乘客遇难。阿久津是青函隧道技术调查团的成员，正在津轻海峡进行调查，偶然地救了一个想自杀的女孩牧村多惠，并将他带到阿连经营的食品店工作。1956年，阿久津向上级汇报，认为青函隧道可以挖掘。第二年他被派往明石海峡调查，在故乡结婚生子。1964年，日本铁路公司成立，青函隧道开始动工，阿久津也来到青森。由于多惠的帮助，他招了一批立志为青函隧道献身的年轻人。施工后由于风大浪险的恶劣环境，两个月里工程只挖了五米。为完成父志，阿久津不顾风湿病折磨，始终战斗在施工现场。就在父亲病逝那天，隧道中发生冒顶事故，地下水汹涌而出。阿久津带着工人和技术人员奋力抢救，虽然不断有人负伤甚至牺牲但无人畏缩不前，终于制服了坑道渗水。日本最长的隧道完工了，阿久津在父亲的墓前献上了一束青森的草花。

孤儿易卜拉随长辈前往圣地麦加朝圣，途中他们经过北京，易卜拉偶然为“奇珍斋”内的精美玉器所迷，于是他最终放弃朝圣，留在这里跟随主人梁亦清（王诗槐 饰）学习琢玉手艺。在此之后，师徒俩合作为“汇远斋”制作“郑和航海船”。梁亦清三年时光里为这件宝物耗尽心血，最终玉毁人亡。为赔偿损失，更名为韩子奇（王诗槐 饰）的易卜拉在“汇远斋”苦干三年，手艺愈加精湛。回到家中后，她娶师傅的长女君壁为妻，决心重振“奇珍斋”。十年后，韩子奇名贯京城，妻贤子乖。抗日战争爆发，唯恐玉器受损，韩与妻妹冰玉同赴伦敦。浮华乱世，异地他乡，韩与冰玉培养出别样的感情，更育有一女新月。战后回国，他们将如何面对这发生的一切……本片根据霍达同名长篇小说改编。

Once upon a time, the birds and the beasts fought each other in a war. It was a terrible conflict, and the clever bats would side with the birds when the birds were looking victorious, and then they would become allies of the beasts when that side was winning battles. At last the war came to an end, the two parties reached an amicable settlement, and a great party of friendship was held. But when it came to the turn of the bats to perform in the program, their fence-straddling tactics were exposed, and everyone refused to associate with them. Since that time, the bats have been too ashamed to show their faces during the day, coming out only at night to flit silently around.

寅次郎收到莉莉從沖繩寄來的信，原來她在夜總會唱歌時暈倒入院，還說：「臨死前，很想見寅一面」。寅馬上趕到沖繩照顧莉莉，縱然闊別了五年，兩人的感情有增無減，莉莉休養期間，寅更隨傳隨到，旁人都以為他們是夫妻……淺丘瑠璃子演的莉莉第三度登場，叫寅再三考慮「結婚問題」。山田自言「這是我最愛的作品之一」，渥美清去世後，山田在《男人之苦》系列中只選了本片(加插新片段)推出特別版來紀念這位一代巨星。Upon receipt of a letter from Lily telling Tora that she would like to see him before she dies, Tora rushes to Okinawa, where Lily has fainted during one of her performances. Although five years has passed since they parted, the former couple continues to care about each other, and Tora nurses Lily to health. The personal favourite of Yamada Yoji , Tora-san's Tropical Fever was the only film re-released (with added scenes) by the director to commemorate Atsumi Kiyoshi after the superstar's death.