Qin Xuan returns to her family estate, only to find her "foolish" husband, Su Fan, missing—intentionally hidden by her mother. When Su Fan arrives, he’s humiliated by the Qin family, especially after disrupting the matriarch’s birthday. But after a blow to the head, Su Fan regains his memory: he’s actually the legendary Lord of Tianwu Hall, who was ambushed three years ago. To uncover the truth, he continues pretending to be a fool while secretly protecting Qin Xuan. When the family forces a divorce, Su Fan outsmarts them, exposing their greed. With the help of an old ally, he begins his vengeance—starting with the Qin family’s downfall.
