The rise of the Tzalekuhl Empire threatens to disrupt the peace that has lasted for generations across the land of Mezo. When the conquest begins, a young girl named Kyma witnesses the death of her father, Hegol, a tribal leader who refused to yield. As the solar eclipse nears, Kyma must unite the various tribes against an emperor determined to make them all kneel before his god or be sacrificed.
Using the battle as a distraction, Itza’be and Zea set out toward the now unguarded Tzalekuhl Palace. They seek the remaining pieces of the Celestial Seed, knowing they must reunite them all before the solar eclipse. Meanwhile, Uhna and Balaque head to Cobán Rock hoping they’re not too late to prevent a massacre.