Greger Tragg, a clandestine intermediary, faces immediate lethal threats when a high-level defector threatens to expose his covert operations between East German intelligence and the Swedish government. Tragg must navigate a web of shifting loyalties and state secrets to preserve his life and his position. He operates within a rigid, high-stakes environment where information serves as the primary currency and betrayal remains a constant risk. The narrative follows his attempts to neutralize the threat posed by the defector while evading both his handlers and his enemies. The story maintains a tense, methodical pace, emphasizing the precarious nature of espionage during the Cold War era.

Readers frequently highlight the book's authentic portrayal of the Cold War intelligence landscape. Discussion often centers on the protagonist's internal conflict as he balances his professional obligations with his personal survival. Critics note the author's ability to maintain a consistent level of tension without relying on excessive action sequences. The narrative is often praised for its focus on the mechanics of espionage and the psychological toll of living a double life. Many readers appreciate the grounded, realistic approach to the genre, which avoids common tropes in favor of a more clinical examination of political betrayal.