A women lives a miserable life in the basement of her Milan apartment, with her boring inlaws and three children (boys). Her husband has been injured. Her bleak life takes an unexpected turn when she is diagnosed with tuberculosis and has to go to a sanatorium in the Italian Alps. At the medical clinic in Milan she meets young mechanic with the similar health problems. At the sanatorium she meets again the same man and they start a passionate love affair. All good things must come to an end. When she is cured, she has to return to that rathole from which she only briefly emerged.