She pretended to be crazy for ten years because of her rejection of the engagement, but when the enemy's iron cavalry approached the city, she stood in her wedding clothes on the city tower. When the Beidi Wolf Lord thought that conquest was imminent, the mad princess's curse was as sharp as an icy blade: "This body is stained with blood, and I curse you to lose your royal power." After ten years of madness, he hid his sharp edge, and his red makeup appeared in the mountains and rivers. Is this a desperate sacrifice, or a crazy chess game with the world at stake?