A Ph. D. In fermentation who made kimchi for a wealthy family in her previous life but was abandoned like a pair of shoes. When she was reborn and signed the divorce agreement, she awakened the golden finger of industrial thinking. Not only did she make her snobbish ex-husband and his family beg for cooperation, but she also wanted to work with the mysterious technology boss who secretly acquired her laboratory. Amidst the roar of the fermentation tank, she uncovered the shocking truth about the stolen industry in her previous life.