A woman from a humble background was rescued by a young emperor and rose to prominence in the Nine Palaces. Unfortunately, he favored her and relied on her own strength to stand on the top of a mountain that even she could not imagine! However, when the childhood sweetheart who had risked his life to save her from death stood on the opposite side of her, when the emperor who had protected her for ten years resolutely shed blood for the sake of his family, country, and the world, when he wielded the butcher's knife and dominated the world but still cherished his tenderness without regrets for her... On the edge of love and pain, where would she go in the end? And even though he has the whole world, why can he always only miss her smile in nostalgia? The intricate emotional entanglements, the love between family, country, world, and children will arouse the purest emotion in your soul!