- Female lead: Lin Yanci, the 37th-generation Yin Warden of the Lin family. Born with yin-yang eyes, she commands the order of yin and yang. Decisive and ruthless, she is intelligent, no lovesick fool, no bleeding heart, and no pushover.
- Main plot: The Xuanyin Sect seeks to resurrect the ancient Yin Lord and overturn the balance of yin and yang. With her own strength, Lin Yanci protects the mortal realm, destroys the evil sect, and becomes an Emperor Venerable.
