The Girl with the Dragon Tattoo meets Mr Robot in this tense cyber thriller. 'Williams’s excellent sequel to 2017’s Beijing Smog … Williams creates vivid action scenes and convincingly draws even minor characters in this tale of a privacy-destroying big tech spying empire. Readily accessible to those with a minimal tech background, this scary cyber thriller deserves a wide readership' - Publishers Weekly A new and dangerous computer bug is sweeping the internet. It’s smart, quick, sophisticated, and developed by elite hackers working for a cybercrime syndicate. It can break through an unknown flaw in the world's most secure computer chips and cripple any system within seconds. It's the ultimate cyber weapon and it seems that everybody wants a part of it. From Burma to Berlin, and to the new Cold War frontline of Ukraine, cyber sleuth Chuck Drayton and his small team of investigators are pitted against the great cyber powers and an unscrupulous tech billionaire in a desperate race to find the zero day and its shadowy creator.