Her parents died in a car accident, but she believed that her aunt and the doctor who was her aunt's friend were accomplices in their death in order to seize the family property. She had been studying overseas all along and came back for the funeral. She decided to take revenge. She decided to start with her cousin's boyfriend because her property had been seized by her aunt, and staying at home was like being treated as a servant. So, she demanded that he marry her. The reason was that if he didn't marry her, she would hand over the evidence of the doctor (his father) harming others to the police. She had already placed the evidence on a website she created herself, and only she knew the password. Helplessly, he agreed. He moved into a side house and they established a contract that no one should know about. As long as he did what satisfied her, he could get the password to delete the incriminating evidence. Thus, the drama of two欢喜enemies began. Of course, he didn't want to be manipulated so easily and always tried to find ways to get the evidence. In the process of their quarrels, he gradually liked her. Finally, one time, she kidnapped him to a villa. Later, she became pregnant, and he was also moved and fell in love with her. In the end, naturally, the aunt's crime was exposed, the doctor (her father-in-law) committed suicide by gunshot, and she left in sorrow. Seeing the website of love she left behind, he was deeply moved to tears. He specially arranged an unconventional password reunion, and finally, the lovers became a couple.