本片是《男人之苦》系列的第八集，描寫寅次郎另一段無疾而終的單戀。剛回到柴又老家的寅次郎為了小小誤會跟叔父母?翻，再度出門旅行的他在岡山出席妹夫母親的葬禮，?出連番笑話。老年喪妻、兒子各自成家的飄一郎，讓寅次郎心生憐憫，同時亦感慨萬分。那邊廂，漂亮的貴子在寺山門附近開了一間咖啡店，一如眾人所料，寅次郎瞬即拜倒她的石榴裙下！寅次郎跟貴子患有自閉症的兒子相處愉快，貴子好生感激，令寅次郎更情根深種。正當各人擔心寅次郎何時又再好夢成空時，他郤收拾行裝瀟洒地浪跡天涯去。看來經歷多次失戀的寅次郎，終於學曉了怎樣抽身而去…… The eighth installment of the Tora-san series. Tora-san is on the road again after a short return to his home at Shibamata and a squabble with his uncle and aunt. In the course of his travel, he attends the funeral mass of her sister’s mother-in-law and is inspired by Hyoichiro, who used to devote himself to research work and has now become a lonely old man after his wife’s death. Tora-san returns home and finds himself in love with the beautiful coffee shop owner Takako. He gets along with Takako’s son and starts dreaming about having a family of three, while Sakura and all others start to worry about when he will be frustrated in love again. One day, Tora-san suddenly packs for another journey as he has decided to let go...