The bright moon hangs over the Forbidden City again, and the cavalry in brocade clothes explores the suspicious traces. A series of bizarre and unsolved cases followed one after another, involving fireworks in the city and secrets of the palace. The detective peels off the cocoon and extracts the thread with the help of criminal investigation wisdom, pursues the truth in the cold shadow of prison, keeps his original intention in the whirlpool of power and conspiracy, and lets every secret be illuminated with a pure heart.
