This is the first novel in over twenty-five years to feature George Smiley, le Carré's most beloved character. Peter Guillam, staunch colleague and disciple of George Smiley of the British Secret Service, otherwise known as the Circus, is living out his old age on the family farmstead on the south coast of Brittany when a letter from his old Service summons him to London. The reason?
Nat, a 47 year-old veteran of Britain's Secret Intelligence Service, believes his years as an agent runner are over. He is back in London with his wife, the long-suffering Prue. But with the growing threat from Moscow Centre, the office has one more job for him. Nat is to take over The Haven, a defunct substation of London General with a rag-tag band of spies.
Julian Lawndsley has renounced his high-flying job in the City for a simpler life running a bookshop in a small English seaside town. But only a couple of months into his new career, Julian's evening is disrupted by a visitor.
Alec Leamas, a tired, worn out British spymaster, has retired. His boss, however, believes he has one last job in him and sends him to East Germany to spread false information about a powerful East German intelligence officer. Can Agent Leamas end his career of espionage and finally come in from the cold, or will the opportunity to take revenge on old enemies prove irresistible?