Eveningstar Macaw lives in a glorious Mayan city in the ninth century. When the king falls ill and dies, the city begins to crumble. An evil high priest, Great Skull Zero, orders the sacrifice of those who might become king, including Eveningstar’s beloved brother. As Eveningstar attempts to stop the sacrifice and to save her brother, Eveningstar becomes an enemy of the High Priest. The Priest attempts to send her into the well of sacrifice, and Eveningstar must find a way not only to save her own life but to rescue her family and her city from the tyrannical grasp of Great Skull Zero.