Set on the eve of World War I, the novel follows an ordinary man who becomes entangled in a dangerous plot after a mysterious stranger shows up at his apartment, claiming to be a spy. When the stranger is murdered, the protagonist is falsely accused and becomes a fugitive, fleeing to the Scottish highlands. He must unravel a conspiracy of international espionage and prevent a political assassination to clear his name.

In this mystery novel, a car accident strands a detective in a small English village during New Year's Eve. He is roped into participating in a nine-hour bell-ringing marathon at the local church. Weeks later, a disfigured body is discovered in a grave, leading to a complex investigation involving stolen emeralds, a decades-old robbery, and a lethal "curse" tied to the tolling of the church bells. The detective must unravel the intricate puzzle to reveal the killer's identity.

In this thrilling adventure novel, a British secret agent is sent to Istanbul during World War I to investigate a German plot to incite jihad in the Muslim world against the Allies. As he uncovers the plot, he must also find and neutralize the mysterious and influential figure known as "Greenmantle." The narrative combines espionage, political intrigue, and high-stakes action as the protagonist races against time to prevent a potential disaster.