Classic British drama directed by Carol Reed. Set during the Cold War, James Mason stars as sardonic double agent Ivo Kern who finds himself falling in love with beautiful British schoolteacher Susanne Mallison Claire Bloom after meeting her in Berlin. Dogged by the pressures of political espionage and the attentions of his Cold War counterpart Bettina Hildegarde Neff, Kern must do all he can to rescue Susanne when she is kidnapped by the East German authorities after being mistaken for Bettina.