The junction between heaven and earth is a world where demons, humans and gods coexist. The daughter of the Emperor of Heaven came here to protect this sad corner in the prehistoric era. The human monarch divided the generals here. His young son met the Heavenly Girl, fell in love with each other, got married, and became the ancestors of Weiyang City. The Heavenly Girl returned to the heaven after her husband died, and her friend Bai Hu from the demon world was entrusted to protect Weiyang City.