On a night of a thousand-year blood moon, the mysterious altar deep in the ancient tomb was accidentally touched, and the soul traveled to the "Great Night Dynasty" in the parallel world, and became a "spiritualist" spurned by the family. Ghosts are rampant here, and there are secret fights in the court. Only by summoning the power of the netherworld can we gain a foothold. During a soul-calling ceremony, he met Yi Jiayi, the calm and decisive daughter of the Palace Secretary Tianjian. She possesses the secret skills of observing the astronomical phenomena and discerning the yin and yang, but she is hunted down because she saw the prophecy of the fall of the dynasty. From being suspicious of each other to being dependent on each other for life and death, the two were jointly involved in a shocking conspiracy involving imperial power, yin and yang, and time and space.
