Berne, 1962. When Clemency is asked to help Peter Aspinal pick up some film from one of his agents, she jumps at the chance. It’s a welcome change from her routine desk job at the British Embassy. Peter himself is the kind of charming, cultured and slightly dangerous man a girl could fall for. But then the romance turns to terror as the KGB move in. Cut off from help in the Alps, Clemency finds she has hidden skills and courage. But will it be enough to save her and Peter from elimination by their ruthless opponents?