The sudden, violent murder of a long-absent father forces two estranged brothers to confront the lethal secrets of his past within the world of international intelligence. Mark and Benjamin Keen find their attempt at reconciliation shattered when their father, Christopher, is executed by an unknown assailant. As they attempt to piece together his history, they are pulled into a web of geopolitical intrigue involving MI6, the Russian mafia, and unresolved conflicts in Afghanistan. The narrative follows the brothers as they navigate a landscape of deception, forced to determine which of their father's former associates can be trusted before they become the next targets.

This novel is frequently characterized by its adherence to the traditions of the classic British spy thriller while updating the stakes for a contemporary audience. The narrative structure relies on the tension between the brothers' personal grief and the cold, calculated nature of the espionage world they are forced to enter. Readers often note the author's ability to maintain a sense of unease as the plot moves between domestic settings and the broader, more dangerous international stage. The work is generally regarded as a solid entry in the genre that prioritizes character motivation alongside the mechanics of a complex, multi-layered conspiracy.