Charles Oliver

Charters and Caldicott, touring in the Near East, are mistaken for German agents and handed in error a gramophone record which contains vital information for Britain's enemies.

A young girl is travelling to London to find work. Arriving at the station, she meets a man who has been stabbed by a member of a gang of crooks involved with greyhound racing.

Sexton Blake and Tinker foil criminal plot connected with the Tongs, and master-minded by "famous stamp collector" and millionaire.