Berlin, 1948. Still occupied by the four Allied powers and largely in ruins, the city has become the cockpit of a new Cold War. The legacies of the war have become entangled in the new Soviet-American conflict, creating a world of bizarre and fleeting loyalties--a paradise for spies. Meanwhile, Berlin's German inhabitants live in fear of the Soviet forces who occupy half the city. John Russell works for both Stalin's NKVD and the newly created CIA,...