The heroine's mother is the hero's stepmother, but she and the hero's father are in a transactional marriage, and they don't love each other. The father of the hero is very ambitious. He wanted to use the heroine's heart to treat his child Ji Yunfeng, so he kept the heroine by his side all these years. The hero hated the heroine and her mother at first, but he still fell in love with the heroine. Later, after learning of his father's plan, he deliberately designed to hurt the heroine and drive her away. However, the heroine, who was unaware of this, developed a shadow and suffered from mental illness. The heroine's biological father wanted to take revenge on the Ji family because of the entanglement that year, and arranged for the heroine to return to China to get close to the hero again.