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.

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...