A terribly stupid young man who is heir to a vast fortune is often more trouble than he's worth, particularly if he is a gambler. And Arthur Pagham is soon dead, with a bullet in his heart. But he is not the only victim, because the ruthless blackmailer, The Terror, is at work on others too. Either you submit to The Terror's demands, or you die! Peter Ross is appalled to hear of his cousin Arthur's pointless death, & decides to assist the police in their attempt at catching The Terror...