Marriage First, Love Later: a Beautiful Lady and Bai Qie and Hei Sha Crazy

The heroine, whose mother died young and whose father married a stepmother who had a sister two years younger than herself, and the hero who was left with a son by her mother, joined forces when they learned the truth, bought shares, seized the company, fought against the stepmother's scumbag father, and fought against the mother's enemy. They went crazy...