" The Checquy: a centuries-old covert organisation that protects the nation from supernatural threat. The Grafters: a centuries-old supernatural threat. After centuries of rivalry and bloodshed, The Checquy and The Grafters are on the verge of joining forces and only one person has the supernatural skills to get the job done - Myfanwy Thomas. But as a wave of gruesome atrocities sweep London, old hatreds ignite and negotiations grind to a halt.... "