Synopsis：In the borderlands of an ancient Eastern empire lies Yunya Mountain. Xiong Xiong, the stationmaster of a post house, has an adopted daughter named Youzhu, who inherits her mother's mystical ability to enter dreams through spiritual snakes, allowing her to alter people's dreams and emotions. Xiong Xiong betroths her to the powerful eunuch Hei in the capital, but during a dream-invasion mission, Youzhu is moved by a mysterious young man and subsequently becomes entangled in a magical duel with a sorcerer. To seize her extraordinary power, a deadly confrontation becomes inevitable.