The year is 1594. "Ursula Stannard is attending on her half-sister, Queen Elizabeth, when she receives an urgent summons from Sir Robert Cecil. Cornishman Master Roskilly was fished out of the sea by Sir Francis Godolphin, and has a shocking tale of being snatched by pirates and put on a slave vessel to Constantinople before his audacious escape. And he’s not the only one. . . Folk in Cornwall are mysteriously disappearing."