Chu Yi, the seventh prince of Liang Dynasty, appears to be a playboy, but in fact he is a sinister man and criticizes others madly. He has endured for ten years just for revenge. The third princess, Shen Li, has a cold face, hides murderous intentions, and bears a blood feud. The two first met in a brothel, bickered with each other, and were forced to get married. There is an undercurrent of intrigue in the court, the enemy countries are watching with eager eyes, and the emperor's uncle is ready to make a move. He pretends to be a pig and eats the tiger to stir up trouble, while she holds a sword coldly and solves the puzzle together. From being wary of each other to working together, a game of intrigue between pretending to be crazy and being cold-hearted and sinister begins.