Lord Devlin White, Duke of Winterbourne, is the last in a long line of powerful witches who assist the Demon Lord of London in keeping control of the Nightwalkers living amongst normal men. With all but one of his siblings gone to the new American colonies, his proud family line all but ended, Devlin is kept from gloom and despair only by unusual ward, Midnight.

Neither alive nor dead, sustained by magic and a bond to Devlin, and confined to the night, Midnight is happy to spend his life by Devlin's side—though he longs for the day that Devlin sees him as more than a ward. But the powerful magic that raised him from the dead is desperately sought by someone who will stop at nothing to obtain the secret of Midnight that Devlin would die to protect...