The day Xuan Qi was crowned was also the day when the prison cage was cast.
Prince Yan Bingyan of Prince Zhi Guoduan, who was crowned as the noble crown prince, was forced to step into the enemy country's great flames as a hostage.
On the surface, he looks like a gentle and jade-like lamb, but secretly, he is the master of the country's sharpest hidden blade, "Yanyu Tower".
While walking on thin ice amidst the murderous intent of Emperor Yan and the temptation of the prince, he struggled to rebuild the Shadow Empire in the heart of the enemy country.
A double life, a bloody chess game. He used his body as a chess piece and the dark blade as his pawn. In this dragon's pond and tiger's den, for survival, revenge, and the unreachable return, he set off a shocking undercurrent that swept the two countries.
