Dr. Peter Carey, a pathologist, moves to Boston to start a new job at a hospital. When Karen Randall, the daughter of the chief physician, dies after an illegal abortion, Dr. David Tao, a close friend of Carey's, is accused of the crime. However, Carey does not believe in his friend's guilt and begins to investigate on his own - despite the strong resistance of the police and the other doctors, who seem to be hiding something...