Having shot someone in what he believed was self-defence in the chaos of 1963 Berlin, Wilderness finds himself locked up with little chance of escape. But an official pardon through his father-in-law Burne-Jones, a senior agent at MI6, means he is free to go - although forever in Burne-Jones's service. His newest operation will take him back to Berlin, which is now the dividing line between the West and the Soviets... A thrilling tale of Khrushchev, Kennedy and a spy exchange.