Captain Karl von Schenk of the Kaiser’s Navy is a stereotypical German nobleman – supremely self-confident, touchy about the divisions of class and any infringement on his place. He thinks he is handsome, has a suitably manly physique, an excellent singing voice, and a facility with writing. His wartime service related in his diary is a series of triumphs over harrowing circumstances, bringing his boat back in spite of the best efforts of the Royal Navy to stop him.