Accordingly, as Rudolf turned the corner and Helena closed the window, a short, thickset figure started cautiously out of the projecting shadow, and followed in Rudolf's wake through the storm.

The pair, tracker and tracked, met nobody, save here and there a police constable keeping a most unwilling beat.

Even such were few, and for the most part more intent on sheltering in the lee of a friendly wall and thereby keeping a dry stitch or two on them than on taking note of passers-by.

On the pair went.

Now Rudolf turned into the Konigstrasse.