Following on from series one where an underground Russian revolutionary organization was murdered in a print works. The organization was instrumental in arranging the passage of gold bullion and poison gas destined for Istanbul and on to Russia by using fake transit documents. In series two Inspector Rath has now been seconded to the murder squad and now has the job of identifying the 15 murdered revolutionaries newly discovered in woods near to Berlin. But due to the involvement of the senior investigating officer the case is passed on to another inspector leaving Rath to peruse his own line of inquiries with the aid of Charlotte, a wannabe murder investigator and a junior CID officer.