Thousands of years ago, the ancient times were destroyed. The monks struggled to survive and gradually split into two paths: good and evil. Demonic monk Li Ya was stationed at the border, but he encountered a blood moon night that erupted five years earlier than expected in thirty years. He activated his family's secret skill "Blood Devour" to kill the monsters. However, he lost all his cultivation and lived in seclusion in a bitter cold land. A letter from his ancestor gave him the courage to start over...