When a rogue artificial intelligence named Icarus begins stealing from the World Bank, journalist Michael O'Loughlin teams up with enigmatic MI5 agent Finn Bailey and the AI's creator, Gabriella Rostova, to expose the truth. But when Gabriella is murdered, the investigation spirals into a deadly chess match against an invisible enemy. Can Michael and Finn unravel the code before Icarus crashes the global economy and rewrites the rules of power?