In the hedonistic atmosphere of an eighteenth-century Venice Carnival, gaiety turns deadly when Furian Furiano happens upon a mask of Apollo floating in the murky waters of the canals. The mask hides a sinister art, and Furian finds himself trapped in a bizarre tangle of love, obsession, and evil, stumbling upon a macabre society of murderers. The beautiful but elusive Eurydiche holds the key to these murders and leads him further into a labyrinth of black magic and ancient alchemy. Why do secrets from Furian's past seem tied to the mysterious Eurydiche? In Tanith Lee's brilliantly imagined world of violence and terror, Furian must find a way to survive and stem the obsession driving him toward his hidden destiny.