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 Charles Irwin to find out who did it among all the suspects who were in the house. Written by Daniel Camargo
When the fabulous Moonstone diamond is stolen, all the suspects appear to have alibis. Even the young girl who owns the diamond won't say whom she saw took it. Her fiancee calls in the famous Sergeant Cuff to solve the case, but they'll have to untangle a skein of lies and retrieve lost memories before they'll find the path to the diamond. Written by Kathy Li
