A prequel - The year is 1913. British Secret Service agent Philip Clavering is sent to the scene of a Berlin-to-Paris train crash in which a fellow agent named Forrest was a victim. Forrest had been carrying a gold comfit box which Clavering was ordered to get at all costs. The box was said to contain a list of all British agents in Germany. Clavering soon finds that the box is missing and that he is not the only one seeking it - the ever-capable Dr. Adolf Grundt, aka Clubfoot, wants it as well.