Bulldog Drummond's country home in England is burgled by two thieves, who leave behind a mysterious card with cryptic letters. The next day, Doris Meredith, claiming her car has broken down, arrives at the scene, but Drummond suspects her true intentions. He enlists the help of Scotland Yard's Inspector Holmes, who reveals that the code-name is linked to a missing Yard officer who disappeared while transporting diamonds from France. As Drummond investigates, Doris reveals a surprising connection to the missing officer, and she is subsequently kidnapped by the thieves.
Bulldog Drummond at Bay
A clever thief breaks into a celebrated detective's secluded English mansion, stealing a mysterious message containing a cryptic code.
