Romance of a contented pragmatic London poultry merchant who suspects his wife of unfaithfulness when he discovers she regularly meets another man in his absence. He hires a private detective to watch her - and with his help, on Christmas Day, discovers the man is her father, emigrated to Australia for many years to escape a charge of murder. His innocence is proved with the help of a hypnotist who uncovers the truth from a woman who witnessed the murder years before. (PB)