When the assassin Ciris Sarn, murders Hiril Altaïr, he unwittingly leaves behind the legendary Books of Promise. They come into the hands of Hiril's vengeful widow, Marin, and she becomes a target even as she hunts for her husband's murderer. Meanwhile, Fajeer Dassai, a brutal kingmaker, plots to retrieve the fabled treasure to make himself wealthy beyond imagination. His only obstacle is Pavanan Munif, a capable, but drug-addicted tracker. Soon assassins, sheikhs, spies, and viziers are all embroiled in a potentially world-shattering conspiracy racing to an inevitable showdown where violence and murder is the only path to true redemption.