A graphic adventure in 4 parts from Thriller Picture Library #404, April 1962 - 64 pages.
The year is 1944. An invasion of the Continent by the Allies is soon to happen. Then why is the German Commander-in-Chief leaving his post to go on vacation? And what is behind strange troop movements near a small inland town? That are two questions that Spy 13 is asked to get answers for.