Judith Traherne is at the height of young society when Dr. Frederick Steele diagnoses a brain tumor. After surgery she falls in love with Steele. The doctor tells her secretary that the tumor will come back and eventually kill her. Learning this, Judith becomes manic and depressive. Her horse trainer Michael, who loves her, tells her to get as much out of life as she can. She marries Steele who intends to find a cure for her illness. As he goes off to a conference in New York failing eyesight indicates to Judith that she is dying.
The twenty-three years old wealthy sportswoman Judith Traherne (Bette Davis) has painful headaches and double-vision, and the family doctor, Dr. Parsons (Henry Travers), convinces her to go with her best friend Ann King (Geraldine Fitzgerald) to a consultation with a famous specialist. After the physical examination, Dr. Frederick Steele (George Brent) finds that Judy has a lethal glioma brain tumor, and he immediately operates her to withdraw the tumor. However, the result of the biopic examination indicates that she has less than six months of life, but Dr. Steele and Ann hides the diagnose from Judy. Meanwhile, Judy and Dr. Steele fall in love for each other, and they decide to get married and move to Vermont. But Judy finds the correspondence from the laboratory and very depressed, she starts to drink and have a promiscuous life. Later, she realizes that she should spend the last moments of her life with her love.