In a race against time, detective brothers Luke and John Buchanan must unravel a deadly conspiracy threatening to tear their city apart. As steam boilers explode one by one, they face obstacles from all sides: suspicious government agents, a cabal of powerful barons, and a mysterious figure with extraordinary powers. Historic events like the Grand Prix and the launch of the world's first rocket risk being overshadowed by disaster. Can they get to the bottom of the sabotage before Grisham crumbles under the weight of this crisis? Brace yourself for a high-stakes thriller where freedom, lives, and the fate of the city hang in the balance.