For Amber Fang, life used to be simple: study library science by day, read by night and, when she got hungry, enjoy an ethical meal straight from the jugular. Her mother taught her well. It's just good manners for vampires to eat only murderers. But now her mom has vanished, and Amber is alone. Her contract work as an assassin has been terminated. But the secret organization ZARC is still trying to hunt her down, using algorithms, drones, and a murderess...