- The central mystery: A bizarre murder case leads to an unsolved massacre from twenty years ago that once sent shock waves through the court. The victims were connected to the imperial family, powerful ministers, and the martial world. The clues point to fragments of the long-lost "Heavenly Secrets Diagram", said to conceal treasure capable of overthrowing the dynasty or a key to absolute power.
- The ultimate conspiracy: The mastermind plans to exploit natural disasters, secret arts, and human greed to sow chaos, manipulate the court's succession, or overthrow the Wu Zhou regime. Amid layers of deception, the protagonists must expose the truth and prevent disaster.
It's a very good book. The author's writing is delicate and covers a wide range of topics. It's worth reading.