Severn and Siyin hate each other, but apart from all-staff meetings, they have almost no chance to meet, and most of the time they get along in peace. However, Si Yin and Sai Wen were targeted by people who coveted the secrets of "Tianqian" and were forced to become "legal spouses". As a result, Si Yin lived a life of abstinence and domestic violence. Si Yin couldn't bear it anymore and decided to fight back to take revenge on Seven! However, things didn't go as planned...