Alex and his friends from Artimé are stranded on a newly-discovered island, and they are not alone, while in Quill, his twin Aaron's power base grows as he joins with an unlikely ally in a risky plan to finally conquer Artimé.

The battles continue for young mage Alex and his friends as they search for Alex's abducted evil brother Aaron.

"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"--

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

Ten years after Alex and Aaron Stowe brought peace to Quill and Artimé, Alex and his Unwanteds set out to rescue his sister, Thisbe, from dragon land leaving her twin, Fifer, behind.

Thisbe struggles to regain the trust of her brother Aaron and the people of Artimé after one crucial mistake forces her to abandon her intricate plan against the Revinir. Aaron is devastated by Thisbe's actions and refuses to hear her explanation, feeling a sense of responsibility for the wrong she's done mixed with his own deep regret and fears over his dark history. Complicating things are Thisbe's conflicted feelings about the Revinir, leaving...

As the Wanteds, Unwanteds, and Necessaries struggle to adjust to changes in their society, Mr. Today begins training fourteen-year-old Alex to replace him as Artime's leader one day while Alex's disgraced twin, Aaron, connives to take over Quill.