Rising swiftly through TK Group's ranks with her exceptional business skills, Min-Gyeong Kang secures a senior manager position after a decade. However, her trajectory shifts dramatically when she is reassigned as the secretary to I-Seop Tae, the upcoming leader of TK Group. Despite their simultaneous entry into the company, I-Seop harbors resentment towards Min-Gyeong ever since she outperformed him during new employee training. Despite her superiority overshadowing him at every turn, I-Seop finds himself inexplicably unable to get her out of his mind.