A Drop of CorruptionAn impossible crime has occurred. A Treasury officer has disappeared into thin air vanishing from a building whose entrances and exits are all sealed. To solve the case, the Empire calls on its most brilliant and mercurial detective, Ana Dolabra, and her bemused assistant Dinios Kol. Ana soon discovers they are investigating not a disappearance but a murder and one of surpassing cunning, carried out by an opponent who can pass through warded doors