Ann Harding plays a lovely but somewhat naive young woman who goes on a European vacation after winning a lottery. Swept off her feet by charming Basil Rathbone, Harding finds herself married before she is fully able to grasp the situation. Slowly but surely, Rathbone's loving veneer crumbles; when he casually asks Harding to sign a document turning her entire fortune over to him, she deduces that her days are numbered.

Mystery film based on an Agatha Christie play. An ambassador's wife must hide the corpse of her stepdaughter's unlikeable stepfather from her husband, who is bringing important visitors to their country home.

Shuhei, a mystery writer, is invited to a dinner party at a country house. The guests include Tanase and his wife Noriko. Next day, Tanase is shot and Noriko with a gun stands near him. Tanase calls one of the guest's name and dies.