When Tora-san's infatuation with his nephew's school teacher causes family turmoil, he leaves on his travels again. When he returns, he falls in love with the teacher's mother.
Tora-san becomes friends with Toraya's newest tenant, a pachinko-playing electrician that goes by the nickname Watt. Tora attempts to match Watt with a young waitress.
Tora-san befriends the descendant of a feudal lord. The man asks Tora to locate his deceased son's wife who resides somewhere in Tokyo.
Tora befriends a pretty barbershop owner and runs into Izumi. When Tora twists his ankle, Mitsuo comes to care for him and see Izumi. Meanwhile, Izumi must choose between her new job in Tokyo and returning to Nagoya to care for her mother.
Tora-san's nephew Mitsuo is exchanging letters with Izumi, a former classmate whose parents divorced and took her out of Tokyo.
Tora-san is inspired to pursue an education after a visit to the grave of a woman he met years ago. When he returns to Shibamata with the intent to study, he falls for Toraya's new tenant instead.
Carrying a bag full of samples, Mitsuo makes rounds to shoe stores in remote cities. While staying at budget hotels, his thoughts turn to Tora-san.
When cabaret singer Lily writes Toraya about her illness, Tora-san rushes to Okinawa to be by her side.
When Izumi can't stand seeing her mother flirt with other men, she leaves home. She sends a letter to Mitsuo and Mitsuo goes looking for her. But Izumi unexpectedly meets Tora-san.
When his travels take him to rural Hokkaido, Tora-san helps a cantankerous old veterinarian (Mifune) in his relationships with his estranged daughter, and a woman in whom he is secretly interested.
On the road again, Torajiro meets a kindred spirit in Lily, a lounge singer.
Tora-san helps out a runaway bride.
After a chance encounter with Hiroshi's father on a bus, Tora decides to get serious and reflect on the mortality of man. His plans are derailed when a beautiful lady starts working at Toraya.
Kuruma Torajiro is discovered looking around Kyoto for someone special to him.
Tora-san arrives in Shibamata on Mitsuo's first day of school only to find that on his account, Mitsuo was embarrassed. After a fight with his family, he goes to a bar to drink, then brings home a surly old man with a sad story, whose identity will surprise everyone. Later, Tora meets Botan, a geisha.
After winning big at the races, Torajiro Kuruma wants to take his aunt and uncle on a trip to Hawaii to partly pay the great filial debt he feels he owes them, but the plan hits a snag. Also, a pretty kindergarten teacher rents a room at Toraya.
When his travels bring him to Osaka, Tora-san falls in love with a local geisha. He helps her to track down her estranged brother, and informs his family that he plans to marry her. His plans are foiled when the geisha informs Tora-san that she is engaged.
During his travels, Tora-san gets drunk with an old man in Kyoto. Though Tora-san never fully comprehends his importance, the old man is a Living National Treasure ceramist. At his home, Tora-san makes a good impression on the old man's maid, who apparently falls in love with Tora-san.
Tora-san gets into an argument with his uncle and sets out on the road again. In Kyushu he meets a young woman named Keiko and the shy zoologist Saburō, and attempts to play matchmaker between the two when they all return to Tokyo.
In Shibamata, Tokyo, Tora-san's family prepares for a wedding. Meanwhile, the traveling Tora-san meets an old acqaintance in Iwate Province. Tora-san refuses to drink with him, afraid that the acquaintance, now settled and married, will again become attracted to Tora-san's wandering existence. Tora-san becomes attracted to a female barber, but must break off their relationship so that she too can live a secure life. She instead gets into an abusive relationship with a motorcyclist.