In the twelfth year of Yongle, the Song-Liao war was about to break out. The Song emperor sent Jiedu envoys to Shazhou Post Office for negotiations. Unexpectedly, the Liao envoys were killed during the process, and the peace talks money was stolen. Yi Cheng and his family were unjustly imprisoned and sentenced to death.
Six years later, the theft of red incense tribute from the Fusang Kingdom in the capital once again targeted Shazhou. The emperor sent the newly promoted minister of the Ministry of Punishment to patrol the north, and several major cases occurred one after another on the way. These major cases may seem unrelated, but they are closely linked. The cause turned out to be the theft of peace talks. Under the strict investigation of the new Minister of Justice, the truth about the theft of peace talks gradually came to light. Then another shocking conspiracy surfaced...