The Double Four

The Plot Typically Involves A Secret Society Called The Double Four Which Is Manipulating Events Behind The Scenes For Its Own Mysterious Purposes. The Protagonist Often An Outsider Or A Detective Becomes Entangled In The Double Four'S Schemes And Must Unravel Their Plans To Save Themselves Or Others. Oppenheim'S Novels Often Explore Themes Of Betrayal Loyalty And The Conflict Between Individual Freedom And The Power Of Secret Organizations. The Double Four Is Likely To Contain Elements Of Suspense Mystery And Perhaps Some Unexpected Twists And Turns Characteristic Of Oppenheim'S Writing Style.