"Uptight elfin historian Brangwain Spurge is on a mission: survive being catapulted across the mountains into goblin territory, deliver a priceless peace offering to their mysterious dark lord, and spy on the goblin kingdom -- from which no elf has returned alive in more than a hundred years. Brangwain's host, the goblin archivist Werfel, is delighted to show Brangwain around. They should be the best of friends, but a series of extraordinary double...

Ember stands with Riley and his band of rogue dragons, instead of becoming an assassin for Talon. Meanwhile, she's lost contact with her twin brother Dante, as well as with Garret, a former-enemy soldier who challenged her beliefs about her human side.