Rock-and-roll singer Mary Rose Foster's romantic relationships and mental health are continuously imperilled by the demands of life on the road.

A Brooklyn mobster and his gang try to rub out their rivals.

Dr. Bock, the chief of medicine at a Manhattan hospital, is suicidal after the collapse of his personal life. When an intern is found dead in a hospital bed, it appears to Bock to be a case of unforgivable malpractice. Hours later, another doctor, who happens to be responsible for another case of malpractice, is found dead. Despondent, Bock finds himself drawn to Barbara, the daughter of a comatose missionary.