"I collected the first bone when I was twelve... Such a tiny little bone, more like a tooth. I only kept it to keep him safe."

Kathryn Darkling, imprisoned in Holloway, is facing death by hanging for her vengeance killing. Haunted by a spirit, she still hopes to perform the ancient black magic that will free her soul, or her struggle to punish the mighty will have been in vain.

Will the love of her life come to her aid? Or can she find a way to escape her fate?