In early post-war Osaka, three women, war widow Fusako, her sister Natsuko, an expatriate from Korea, and Kumiko, Fusako's sister-in-law, descend into prostitution, all for their individual reasons.
Setsuko is unhappily married to Mimura, an engineer with no job and a bad drinking habit. She had always been in love with Hiroshi but both of them failed to propose when Hiroshi left for France a few years ago. Now he is back and Mariko tries to reunite them. She too is secretly in love with Hiroshi.
A group of five rookie insurance salespersons, driven to desperation by the impossibility of their work in Japan's failing postwar economy, form a plan to rob a cash delivery truck in order to provide for their families.