A rich man bequeaths seven keys to seven of his friends, but only one will unlock the door to untold wealth.

A circus becomes the location for stolen loot and murder.

A former district officer is assigned to work on a team of diamond prospectors, who are busy double crossing each other until they are blown up having found bullion.

This time Fu Manchu and his army of henchmen are kidnaping the daughters of prominent scientists and taking them to his remote island headquarters. Instead of asking for ransom, Fu…

Scotland Yard should uncover why persons are being murdered by a monstrous canine at Blackwood Castle.

The sister of some renowned, but as uncaught, offender termed The Hexer is murdered. Inspector Higgins of Scotland Yard considers that The Hexer will likely surface to carry his own…