根据全国会演剧本改编。
唐代宗的女儿升平公主(冀萍 饰)嫁给当朝大将郭子仪的第六子郭暧(郭凤英 饰)为妻。宫内规定,红灯高挂,才许驸马进宫,进宫后先行君臣大礼,然后才能叙夫妻之情。郭暧对此很不满,但又无可奈何。郭子仪寿诞,公主不去祝寿。酒席筵前,郭暧的兄嫂见公主不来拜寿,戏言嘲笑郭暧惧内。郭暧既惭愧又生气,回宫打了公主。公主跑进皇宫,哭诉委屈,希望代宗(丁果仙 饰)和国母(牛桂英 饰)给她出气。代宗和国母追究小两口争吵的原因,方知错在公主,便责备她不应该不去给公爹拜寿。公主撒娇使赖,于是代宗要斩驸马给公主出气,公主一听反倒吓得没了主意,代宗这才笑着告诉公主:要斩驸马是假意。
郭子仪闻听郭暧打公主,当即绑了郭暧上殿请罪。代宗念及郭子仪年迈功高,不能为儿女争吵私事伤了君臣和气,赦免了郭暧打公主和谩议君王的罪,并给郭暧晋升三级以示器重。然后,代宗携驸马返回后宫,当面质命公主以后不许倚势欺人,并叫她立刻去拜寿赔礼,还宣谕免去宫门红灯和君臣大礼,又和沈后一起劝导小俩口和好。郭暧这才和公主言归于好。。山田日後承認在開拍此片之前,已心諳渥美清的肺病步入末期,決定此章為最後一章,並安排由淺丘瑠璃子演的莉莉送寅次郎踏上人生的最後一程。分別15年後,兩人於如詩如畫的奄美大島重逢,感情依舊,鬥氣繼續,沒完沒了似的。正如山田所想,雖然系列必須完結,但始終不想為寅次郎的故事/人生劃上句號。結局如常開放,代表寅一直繼續他的旅程,日本人依然有夢。
公映後翌年,渥美清病逝,享年68歲,本片亦成為他的遺作。
Yamada knew before production began that Atsumi's health has deteriorated to such an extent that Tora-san to the Rescue would be the last film in the series. He decided to let Lily accompany Tora on his last trip. The lovers reunite after fifteen years in the picturesque Amami O Shima, and the affections as well as the bickering remain. Although the series must come to its conclusion, Yamada has deliberately left the film's ending open, so as not to let the curtain fall on "Tora-san". Atsumi Kiyosh passed away at the age of 68 in the year following the film's release, making this film his last.。