In the early years of the Ming Dynasty, there were two black and white dragons practicing in the immortal mountain spiritual land. They were sisters with the same parents. One day, Lord Zhenwu ordered them to go down the mountain to help King Yan. After obeying the decree, the two sisters came to Yingtian Palace. Sister Leng Chan fell in love with King Yan at first sight, and the emperor's grandson Zhu Yunwen had a special liking for Yujiao. . . A battle between power and conspiracy, justice and evil, love and hate, love and hatred begins. . .