A valuable gem from India is stolen in an old dark mansion and it is up to Scotland Yard inspector Charles Irwin to find out who did it among all the suspects who were in the house.

Typical Monogram whodunit from the 30's, with dialogue and sound effects based on the well known mystery book with same title. A valuable gem from India is stolen in an old dark mansion and it is up to Scotland Yard inspector Cuff (Charles Irwin) to find out who did it among all the suspects who were in the house.—Daniel Camargo <[email protected]>