An intriguing murder mystery set in an imaginary world, peopled by vampires, dimorphs, luchrupáns and the odd – very odd – Salmon Farsade, an orphan with the ability to read auras. Salmon becomes apprenticed to Muinbeo's most famous nocturnal detective, the long-lived and sharp-toothed Inspector McCabe, and together they try to sniff out who killed Fen Maguire – and why.