《男人之苦》第16集，久久十七歲妙齡少女順子（櫻田淳子飾）找上門，久久聲稱寅次郎（渥美清飾）是她老豆！幸好寅剛回到柴又的家，得以澄清一切。原來十多年前在山形縣，寅飢寒交迫之際，受過少女母親阿雪的熱飯，一生難忘，自此每年寄錢給阿雪，誰知令順子誤會他就是生父。寅從順子口中得知阿雪去年過了身，傷心不已，遂獨自到山形縣掃墓。當寅得悉阿雪生前埋怨自己沒有學識，所以被男人所騙，一生受苦之後，他馬上立志求學，發奮圖強。回到老家寅記，剛好來了一個考古學研究生的租客禮子〔[木堅]山文枝飾），寅自然把握機會向美人求學。豈料禮子身邊有一個親密的大學教授（小林桂樹飾），他博學多才，狂野豪爽，且一直暗戀禮子……寅在情場再遇大敵。The sixteenth instalment in the Tora-san series. The seventeen-year-old girl Junko (Sakurada Junko) comes to Tora-san"s house, claiming that Tora-san is her father! Fortunately, Tora-san arrives home and explains everything. Junko has mistaken him as her father because he has always sent money to Junko"s mother, thanking her for her hospitality when he was very desperate in Yamagata about ten years ago. When Junko tells him that her mother has passed away a year ago, he is crushed and determined to visit her mother"s grave... When Tora-san comes back, an archeology student Reiko (Kashiyama Fumie) comes to rent the place, and he takes this opportunity to pursue learning, and love. However, her teacher Keiji is also there, which makes it difficult for Tora-san.