Su Jingtang, the orphan of Princess Pingyang, has been dormant for five years to sharpen her sword. She is an expert at medicine and poisoning, and has unparalleled ingenuity. She only wants to clear her mother's wrongdoing, and is definitely not a dodder who depends on the male protagonist. Xiao Jue, the iron-blooded god of war who has been guarding the northern border for ten years, is careful at every step and has his family and country at heart. He is by no means a love-minded regent. The two met for the first time at the Hongmen Banquet in Prince Lian's Mansion and became equal allies, starting a two-way journey of power and intrigue.
The two fronts of the court and the border were linked to dismantle the layers of conspiracy of Princess Kang Yi and King Lian to seize power and retain the throne, and uncover the shocking truth behind the murder of the eldest princess, who was collaborating with the enemy and treason. From the prince's mansion to the Gobi Desert in the Western Regions, from the power struggle in the palace to the bloody battle on the battlefield, the two used strategies to break the situation and fight to stop the conflict.