This film follows the daily lives of a group of people barely scraping by in a slum on the outskirts of Tokyo. Yet as desperate as their circumstances are, each of them—the homeless father and son envisioning their dream house; the young woman abused by her uncle; the boy who imagines himself a trolley conductor—finds reasons to carry on.
Aspiring to an easy job as personal physician to a wealthy family, Noboru Yasumoto is disappointed when his first post after medical school takes him to a small country clinic under the gruff doctor Red Beard. Yasumoto rebels in numerous ways, but Red Beard proves a wise and patient teacher. He gradually introduces his student to the unglamorous side of the profession, ultimately assigning him to care for a prostitute rescued from a local brothel.
Kanji Watanabe is a middle-aged man who has worked in the same monotonous bureaucratic position for decades. Learning he has cancer, he starts to look for the meaning of his life.