Sequel to: Mexico set, and Berlin game. The espionage game reaches a new level of urgency and excitement when it becomes apparent that treason is epidemic in London Central.

Bernard Samson, now relegated to an administrative backwater at London Central, learns about a huge financial scam within the British Secret Service. As he investigates the situation, his behavior is regarded as paranoid.

Fiona Samson is caught between her husband and family and her country as she works as a superspy for British intelligence in East Germany.