A Woman Possessed

John Winthrop, an English doctor, returns from a trip to America with his new fiancee, Ann. He is met with disapproval from his wealthy, domineering mother, Katherine, who is vocal in her dislike of Ann. On discovering Ann has a heart condition, Katherine insists the couple move in with her. One day the mother accidentally gives her daughter-in-law the wrong medication and Ann nearly dies. The doctor saves his wife; but then accuses his mother of attempted murder. In the end, it turns out Emma the maid was responsible for accidentally switching the pills, and with the crisis over, mother, son and daughter-in-law realise they must settle the differences between them.