There is a dark hunger loose in London and only two men stand in its path. Bartholomew Drake sees much but reveals little, his mystical glass eyes penetrating all manner of secrets while his own remain ever hidden. Sergeant Arthur Grey is driven by his keen desire for answers and when murder brings the two together, he is sucked into the wake of the mysterious gentleman. What will Grey find when he is drawn into London's lurking shadows? And what will he discover in the depths of Drake's darker eye?