A city on fire. A killer who can’t be stopped. Who will be next?

When two teenagers are found dead in a fire, DI Laura Henshall and DS Will Peters are called in to investigate. They believe it was a revenge attack gone wrong.

But soon fires are cropping up everywhere, and the police suspect they’re dealing with something much bigger . . . something that could bring the city to its knees.

With time running out, can the detectives find the arsonists before the city goes up in flames?