In this second tale in the Tora-san saga, the titular traveling salesman (Kiyoshi Atsumi) returns home for the birth of his nephew and is soon smitten with the beautiful Natsuko (Orie Satoh), the daughter of his former English professor. But a visit to his estranged mother in Kyoto turns Tora-san's joy upside down. Disappointed to learn that his mother is a brothel madam, Tora-san goes back to his hometown, only to confront more shocking news.