Initiate is the second book in the Variant series. It's set in a future where the earth as we knew it has collapsed, of the cities left all were trying to contain knowledge about the other cities in the hope to get compliance and loyalty among their citizens. This story is set in what used to be great Britain, in a city ruled by "the controller". In this city lives Paige, a variant, one of the "world killers", a race of genetically modified humans that were responsible for the weapon that destroyed earth, Paige is trying to hide in and avoid being hunted and killed, just trying to make a change and stay alive.