In Dark Ages Britain, sisters Isla and Blue live in the shadows of the Ghost City, the abandoned ruins of the once-glorious, mile-wide Roman settlement Londinium on the north bank of the Thames. But when their father suddenly dies, they find themselves facing enslavement and their only option is to escape to the Ghost City. There they discover an underworld of rebel women living secretly amid the ruins. A powerful and atmospheric historical novel set in the dark ages, in the lawless city of London.