A petty thief finds himself caught in a precarious web of international crime when a routine theft goes wrong. Arthur Simpson, a small-time grifter, attempts to rob a hotel guest only to discover his target is a high-level criminal. Forced into a dangerous arms-smuggling operation, Simpson is subsequently coerced by Turkish authorities to act as an informant within the criminal syndicate. He must navigate the conflicting demands of ruthless criminals and state intelligence agencies while attempting to survive a situation that rapidly spirals beyond his control.

This novel is widely regarded as a quintessential example of the modern political thriller, showcasing the author's signature focus on the reluctant amateur protagonist. Critics often highlight the sharp, cynical wit and the meticulous attention to the logistical details of the criminal underworld. The work is frequently cited for its influence on the genre, with many noting that it established the template for the grounded, realistic spy narrative. Readers appreciate the balance between suspenseful plotting and the character-driven humor that arises from Simpson's constant, frantic efforts to stay alive.