Before anyone can figure out how the killer did it, he dies under mysterious circumstances and takes his secret to the grave. Emma's uncle asks her to investigate. She's reluctant to get involved, especially after the traumatic events back in London, but with Nightshade's unique brand of encouragement, they figure out how the killer reached one of the most protected men in the world. However, their lives are complicated when another member of the Syndicate is murdered, seemingly by the hands of the same deceased perpetrator. Emma and Nightshade now find themselves in way over their heads, caught up in a race against time, trying to solve clues and expose a web of deception, but they may not be quick enough to stop a war