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.
Traveling salesman Kuruma Torajirō falls in love with an inn manager as New Year's approaches.
After Torajiro's latest attempt to find a bride goes awry, he starts traveling again and runs into Utako (last seen in Tora-san's Dear Old Home), now a widow.
Tora-san visits Hokkaido and is reunited with Lily. Now divorced, she plans to resume her singing career and renews her unusual relationship with Tora-san.
After Hiroshi is injured in a workplace accident, Torajiro gives Sakura the money he has saved and leaves to work as a traveling salesman once again. During his travels, Torajiro meets a father who shares a drink with him. In the morning, Torajiro is shocked to learn that the man has left his baby behind and a note asking Tora to take care of the child.
After a friend and business colleague dies, Tora-san visits the man's daughter, then takes her to Tokyo so she can study for a night school exam.
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.
Tora-san returns to his family home to learn that his brother-in-law cannot go to Mitsuo's (Tora-san's nephew) athletic event. Tora-san volunteers to take his place, but gets into an argument with his brother-in-law's boss and returns to the road. He meets a young woman in Niigata who, unbeknownst to him, is a popular enka singer.
Tora-san's family's neighbor, Akemi, who had been married in Marriage Counselor Tora-san (1984), runs away from her husband, who is only interested in work. Tora-san follows her to Shikinejima, and attempts to bring her back to her home. In doing so he encounters a school-reunion group who are traveling to meet their elementary school teacher, which is a reference to the film Twenty-Four Eyes by Keisuke Kinoshita. Tora-san joins them and falls in love with the teacher.
A playboy-gambler friend of Tora-san’s dies and, abandoned by his mother, his little boy suddenly turns up in Shibamata. Searching for the boy’s mother, Tora-san meets a cosmetics saleslady and the three become a surrogate family, with Tora-san as “daddy”.
In his travels through Japan, Tora-san meets and falls in love with a female doctor, however he is afraid of committing to a relationship.
During his wandering throughout Japan, Tora-san meets a suicidal man. He travels with the man to Vienna, but winds up homesick for Japan.
Mitsuo goes to Nagoya to visit Izumi, whose father left Izumi’s sad, bar hostess mother for another woman, so together they decide to confront him in Oita. Meanwhile, Izumi’s mother befriends Tora-san and together they travel to Oita to meet them, with Tora-san quickly falling for her en route.
After failing to find a job, Mitsuo becomes a fisherman on a small island, and develops a crush on a young nurse there. Tora-san, dispatched to bring Mitsuo back home, himself falls in love with an attractive but troubled woman visiting her father.
Mitsuo, unhappy in his new job as a shoe salesman, is invited to a festival and is introduced to a friend’s sister. Tora-san meanwhile helps an injured housewife on her yearly vacation.
Tora-san works hard to bring together his nephew, Mitsuo, and Mitsuo’s girlfriend who is engaged to someone else.
Tora-san returns to his family's home to attend an elementary school class reunion. After he embarrasses himself by getting drunk and insulting all his ex-classmates, he resumes his travels. In Kyushu he meets an outspoken 18-year-old girl who becomes enamored of Tora-san and follows him around. One of Tora-san's old friends is terminally ill and makes Tora-san promise him to marry his wife once he is gone.
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.