The undercurrent surges under the peaceful singing and dancing of Yong Lin'an
Su Mingtang, the daughter of the Ministry of Rites, has been obsessed with investigating crimes since he was a child. Using his medical skills as a blade, he disguised himself as a street boy and traveled through murder scenes.
Pei Yanci, the second son of the Duke of Zhenguo, hides his feelings with a cold face. Because of the mystery of his life experience, he joins the Ministry of Justice to secretly investigate the death of his mother.
In the case of the sudden death of a singer, poisonous poison was hidden in the rouge box;
In the unsolved case in Xiulou, the soul-locking needle technique arouses old hatred;
Behind the chess game in the afterlife, there is actually a conspiracy of cheating in the court.
When the bloody mandala appeared again and again, the two worked together to clear the fog, only to find that all the clues pointed to the shocking layout of Netherworld Pavilion. On the way to pursue the truth, what awaits them is not only a test of life and death, but also the secret past of the country.
