As the rebellion intensifies, Dianna discovers more of her past and soon finds herself immersed in a tumultuous family history that she and Samkiel never saw coming.

Forced to venture through the Otherworld, Dianna and Samkiel start to comprehend the real power of the medallion, as figures and threats from the past surface once again to threaten their future together, and Samkiel finds himself faced with a choice: will he truly become the World Ender once again? And what does that mean for Dianna?