Solbi, who has lived a life full of vengeance since losing her parents. After a long wait, the opportunity to kill an enemy comes, but her son, Choi Ri-hwan, finds out. "From now on, do what I tell you to do. Anything." The offer he gave in return for turning a blind eye to the crime was disgusting, but Solbi decided to consider it her second opportunity. Gradually, however, she is confused about herself being attracted to Choi. "That 'Lee-hwan,' I never thought she would do this..."