《男人之苦》第14集，寅次郎（渥美清飾）未婚產子？背著BB回到了東京柴又老家？正當大家決定替寅把寶寶撫養成人之際，才得知這是寅在路上拾回來的棄嬰！寅不是生父，也當然不盡父職，終日百無聊賴，寶寶的事全拜託嬸嬸和妹妹阿櫻……直至美女護士京子（十朱幸代飾）的出現，他才積極表現父愛，還打算參加京子的工餘合唱團，以親近對方。誰知寅就在這兒遇上情敵！那滿面鬍鬚的窮光蛋指揮，原來才是京子的最愛！
The fourteenth instalment in the Tora-san series. Tora-san has an illegitimate child? To everyone is surprise, he brought a child back to Shibamata. When everyone in his family decides to raise the child as a family member, they find that he was only an abandoned child that Tora-san found on the street! At first, Tora-san has no interest in taking care of the child and he lets his auntie and sister, Sakura, to do the job instead... until he meets the beautiful nurse Kyoko (Toake Yukiyo). He tries all the ways he could, including taking good care of the child, in order to get her attention. However, a bearded poor conductor in Kyoko is choir stands in the way.
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