Bai Shuang seeks revenge for her sister Shen Lan, murdered by Fu Xinzhi and Zheng Ruotong. Posing as her sister, she passes Fu's tests, proves her identity at the board meeting, tricks him into bidding on faulty land, and gets close to him as the Bai family heiress. She bankrupts him, exposes his crimes with evidence, and finally honors her sister atop the rooftop, completing her vengeance.