Keisuke and Shizuko grew up by the Kitakami river and came to fall in love before they knew it. Eighteen years ago, Shizuko was left an orphan and was taken in by Keisuke's parents, who had raised her as their own child. At the riverside when the cherry blossoms are falling, Keisuke, now enrolled in university, promises Shizuko that he will tell his parents about them at the start of the summer vacation. He then sets off for Tokyo...
A scrap iron carrier arrived at Tokyo bay. The ship swarmed with the stevedores, the souvenir seller and the hookers. The crews of ship were oppressed by arrogant captain and his officers. The crews caused an uprising. A manager of stevedore ordered his employee leader to suppress an uprising...
Kawai Midori's father left the family a long time ago and since her mother passed away, she has taken care of her younger siblings by herself by working with a group of itinerant camellia oil peddlers. While she is In Izu selling camellia oil, she meets a young student, Katō Yutaka, who asks her to let him take her picture. The peddlers also meet a jazz band, and when Midori sings a song, teased by the band's star singer Nanjō Haruo, the band members are enraptured by her beautiful voice. She eventually joins the band and quickly becomes a popular jazz singer.
A battle for a large sum of money unfolds on the docks near a steel mill in a foggy atmosphere. Manzo, an engineer on the verge of retirement, witnesses two men shooting each other and collapsing on the quay while his assistant Shinsuke is away.
Nobuko is a widow who lives with her daughter-in-law Tamiko and her brother Junjiro. The family's gatekeeper, Komatsu, is attracted to Tamiko, but she is encouraged to marry a doctor and he is afraid to tell her his feelings.
