She has had a wish ever since she was a child to make the man who killed her mother look good. She worked so hard and seriously, and finally succeeded, but too many innocent people were involved. One was her "brother" who liked her very much, another was her partner, and the other was her classmate and boss for many years. In order to get revenge, she could have an affair, and she tried her best to get revenge, but everything was determined. What should she do? Will her father's persuasion be useful...