The novel delves into the intricate world of espionage, centering on a British intelligence operative who, disillusioned with his nation's foreign policy and personal tragedies, becomes a mole for the Soviet Union. As he navigates the morally ambiguous terrain of loyalty and betrayal, the story explores themes of love, guilt, and the clash between personal ethics and duty. The protagonist's quiet life is disrupted as his superiors begin to suspect a leak within the agency, leading to an introspective and suspenseful narrative that examines the human motivations behind political treachery.

The 6110th greatest book of all time