In the winter of the 18th year of Chengde, the second prince Xiao Yu "died" of illness, and the cause of death remains a mystery.
Three years later, the fifth prince Xiao Heng returned from the north, and Shen Xi, the scout, discovered a poisoned old book in an ancient book shop.
——It turns out that the "wind chill" that year was a murder carefully planned by the enemy.
"Your Highness wants to investigate, and I will accompany you in this world-famous drama."
Tanhua, the drama star, writes as a blade, and the black-hearted prince breaks the situation.
From the court to the arena, from strategy to the battlefield,
They risked their lives just to restore the innocence of the deceased.
Purpose: Create peace for a prosperous age