When you buy murder online, who is there to stop you? GCHQ agent Winter has just 14 days to bring down the website of a formidable criminal organisation before a teenager is tortured to death in front of an online audience of millions. Going deep under cover disguised as the paid assassin Snow White, Winter must infiltrate the inner circle of the extraordinarily powerful man at the heart of the dark web. This is a gripping, fast-paced ride through a disturbingly plausible technological future in which Callister’s protagonist must battle to bring down the terrifying crimes tearing through society.