Noriko (Setsuko Hara), a secretary in Tokyo, lives in the extended Mamiya family at Kamakura, Kanagawa, which includes her parents Shūkichi and Shige (Ichirō Sugai and Chieko Higashiyama), her older brother Kōichi (Chishū Ryū), a physician, his wife Fumiko (Kuniko Miyake), and their two young sons Minoru (Zen Murase) and Isamu (Isao Shirosawa).