Black Annis smiles. Her pointed teeth do not gleam; they are black with age and the bloodstains of her victims. She looks up at the human child — surely meant to be in bed and asleep. Some things don't change. Every hundred years the gateway opens between their world and ours. A human coven has joined forces with the dark beings of the Netherworld. Evil is growing. And Callum is caught in the middle. The Shadowing has begun . . .