Book #18 in his own series and #24 in the series.
The year is 1965. In East Berlin, a major player in the call for reunification of the two Germany's, under communist control, has been revealed to be a card-carrying Nazi. After he disappears, the whole matter was hushed up. Now it appears his work has continued in the shadows and Europe is about to explode. Papa Pontivy is brought out of retirement to help track down who is behind it all and he asks Bernard Newman for help.