A young heiress of an American gun factory is threatened by a masked man after her father was murdered. This criminal might be a member of her family...
Old Silas Blackburn, a wealthy recluse, lives alone with his butler and his ward Katherine. One night, Katherine discovers Silas murdered in the room...
In this action-packed serial, government agent Quentin Locke infiltrates a corrupt patents company, only to run into the gleaming terror of its robot...
