DI Sean Corrigan has always relied on his unique insight into dark minds to catch bad guys. But now, when he needs it most, his gift seems to have deserted him. Sean and his team have been moved to New Scotland Yard, precisely so his particular brand of policing can be put to best use.
Now four-year-old George Bridgeman has disappeared from leafy Hampstead and Sean, bogged down in admin and logistics, can see no clear path through the investigation. Another child vanishes.
How long before abduction becomes murder? What kind of monster is Sean hunting? And will Sean work it out in time to save the boys?