Thomas P. Manning, businessman and chess expert, mysteriously shot in a locked room, dies clutching some chess pieces. Police are baffled, and finally abandon the case. Six months later, victim's daughter Leah Manning, stung by a scurrilous book about the case, enlists the aid of Charlie Chan and Number 3 Son. Additional murders follow, leading to a climactic confrontation in a...
A mad killer is on the loose in a hotel on a dark, gloomy night.
The younger brother of an officer in a secret government code-breaking unit gets involved with a gang of spies and a beautiful double agent.