She does so, and Alexa and Yipes are joined on their journey by Odessa the wolf, Squire the hawk, Murphy he squirrel, and a former convict named John Christopher.
The group discovers that one Seraph, Armon, has evaded Abaddon's infectious black swarm of bats for years and is the only remaining good giant.
They send the tower crashing down, and Grindall threatens that if Alexa is not in Bridewell with the last Jocasta in five days, he will kill Yipes.
The story ends as Roland Warvold, Thomas's brother, takes the troop (including Balmoral) on his ship, the Warwick Beacon, to sail the Lonely Sea.
Kirkus Reviews wrote "The plot takes off a lot faster than in the first installment, because Carman integrates the backstory as needed in the text, rather than allowing it to slow down the pace.