Shelby's connection with Robert Cecil once again places him in harms way.

Nicholas Shelby has now set up his own medical practice in Bankside and is making some headway with the locals. He is also due to marry Bianca but an outbreak of the plague and a summons from Robert Cecil lead to all his and Bianca's plans being put in disarray. A spy once more Shelby must safely navigate the dangers of Morocco in order to return to England and marry Bianca.