Takashi Eto

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.

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.

When Tora-san returns to visit his family, he is surprised to find an arrogant professor occupying his room. The professor and Tora-san become rivals for the affection of Chiyo.

After a quarrel with his mother, Torajiro sets off to find a bride.

During the early days of the war a young student, Makito (Kazuo Funaki), falls in love with Yuko (Mayumi Ozora), the widow of a naval officer. She, however, is living with the memories of her husband and it is her younger sister, Yumiko (Nana Ozaki), who grows fond of the student. Then, one day, a young naval officer, Tadayuki (Ken Ogata), a friend of her late husband, comes to see the widow and she becomes attracted to him. Though Makito is inspired to study for the navy, he is much upset when he learns that Yuko and Tadayuki are to marry.

One day an innocent-looking girl in white clothes appears on board of a ramshackle boat The owner of the boat, Okin, decides to let Mari stay with him without asking her any questions. Turmoil ensues with the reaction of the crew when the runaway girl starts working alongside with them.

On the road again, Torajiro meets a kindred spirit in Lily, a lounge singer.