The day of the solar eclipse approaches as the Tzalekuhl Empire pushes its way across the land of Mezo, determined to conquer all other tribes in the name of their god. With her father dead and her people driven from their homes, Kyma reunites with her estranged mother, Mzira, and forms an alliance with the mighty Huax'kin warriors. But will the combined strength of both tribes be enough to hold back the fervent Tzalekuhl? They'll find out as they make their final stand at Cobán Rock.