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Harry has spent much of his time of late hiding out on Demonreach Island, learning how to be warden of his prison filled with evil beings and trying to figure out how to get rid of the parasite that’s growing within him. That isolation comes to an end as his boss, Mab, the Winter Queen of Faerie comes to call.
Mab has a job for her Winter Knight that will require him to leave the relative safety of his island and face, not only the dangers of the assignment, but the friends from which he’s largely been separated.
Things get worse for Harry when he realizes that Mab has hired him out to Nicodemus Archleone, host to Anduriel of the Order of the Blackened Denarius – a group of fallen angels bound to silver coins said to be those that Judas Iscariot received for his betrayal of Jesus.