Chapters 9-14 Summary and Analysis

Stephenson had a network of amateur Swedes who were active in intelligence and code breaking. They had intercepted Russia's plans to invade Finland, thus doing away with the element of surprise. The Swedish code breakers kept the Finns informed of Russia's every move. The Finns lost the battle because of lack of military support from Washington. Stephenson, who had been at the side of the Finnish general, now went to Norway, where the heavy water plant was located. It was coveted by both Russia and Germany. Stephenson and a chemical engineer figured out how to sabotage the heavy water, making its useless. The invasion of Norway by Germany shook Britain from its complacency.

Chapter Ten reveals that the people at Bletchley had not yet learned how to use the Enigma. The Swedes were able to supply some German code...