But when a suspicious fire ravages an elderly woman's crumbling tenement, Pellam realises that someone might want the past to stay buried.

As more buildings and lives go up in flames, Pellam takes to the streets, seeking the twisted pyromaniac who sells services to the highest bidder. But Pellam is unaware that the fires are merely flickering preludes to the arsonist's ultimate masterpiece - a conflagration of nearly unimaginable proportions. .