Belgian sleuth Hercule Poirot investigates a mysterious suicide at a country house.

Sophie Dorothea is a young woman forced into a loveless marriage with Prince George Louis of Hanover. George Louis is later crowned King George I of England. Despairing of ever experiencing true love, the depressed queen finds life at court no solace. Sophie then falls for a dashing Swedish soldier of fortune, Count Konigsmark.

“Two young men and an attractive girl are invited to spend a week-end at a cottage of mutual friends. The hosts are delayed and so the guests remain unattended. A burglar breaks in and ensuing complications compel the girl to pose as a wife.” - BFI.