Pgs. 253 - 327 Summary

The HFDF for Huff Duff antenna is mounted on the roof of the castle. Detachment 2702 has not arrived at the castle and Lawrence spends his time rotating the antenna for appearance sake. Bletchley Park has broken the Shark code and now is easily decoding the German codes, which is how they found out that the Germans have broken their own code. He is at the castle to find a German spy, and thinks he has found the spy in the person of the cook named Margaret.

Bobby Shaftoe and Detachment 2702 are on their way to Norway and from there to Sweden. The merchant ship they are on has a hold full of weapons, and they are supposed to make it look like they became stranded in Norway and are trying to flee to Sweden. They are picked up and promptly sent...