A general who is feared by the emperor marries a sickly stand-in who is sent by the emperor to keep an eye on him. Later, the general discovered that the medicine Xizuo cooked for him every night was the solution to the emperor's secret poison; Xizuo discovered that the general's pretense of absurd account books contained hidden clues from all over the world. Later, the chess player on the dragon chair looked at the empty chess board and finally understood that the chess piece he had given away with his own hands had already taken the entire country as his betrothal and eloped with him in the dead game.
