The magical world of Artim̌ is gone and the Unwanteds are looking to Alex Stowe for answers, but while his twin brother Aaron continues to build his army in Quill, a very dangerous common enemy is revealed.

Everything Aaron has worked so hard to build in Quill has crumbled. Fallen from the height of power and influence and left for dead in a foreign place, Aaron has lost everything, and now he must humbly beg for food from those who saved his life. In Artime, Alex chooses his people over his brother and abandons his search for Aaron, closing the door on that relationship forever. The Artimeans need his focus now more than ever as they face the terrifying...

"Head mage Alexander Stowe and his friends successfully fended off the latest threat to their magical world of Artimé with the help of a surprise ally. But old enemies have secretly been plotting against them. Now Alex must lead his people in a final epic battle, one they can't hope to win alone"-- \c Provided by publisher.

"Devastated by loss and hampered by war, Fifer struggles to regroup and continue the search for her twin. Meanwhile Thisbe, pounded by images of Grimere's dark history, contemplates her abandonment and considers leaving Rohan behind in a risky move that could take her home... or to her death--

Trapped underground in the catacombs and made to transport the bones of ancient dragon rulers to the extracting room, where others extract the magical properties dormant in the bones, twin Thisbe must learn how to control her own fiery magic and use it to escape.

Rohan leads the effort to rescue Thisbe from the Revinir, without knowing if she will prove loyal to Artimé or not.

"Magical twins Fifer and Thisbe Stowe have spent their entire lives wishing for an adventure. When a dragon shows up claiming that his family is being kept as slaves in their homeland, the twins sneak off to the land of the dragons to help them"--