Sun strives to leave a positive impact at her new workplace, but faces a major obstacle: her boss is none other than her haughty former high school classmate, Do-Yeong, who seems determined to make her job a nightmare. However, everything changes when Sun uncovers a scandalous secret about Do-Yeong. With the potential to destroy his professional reputation, Sun is faced with a dilemma. Will she demand his submission and forgiveness, or will they reach a heated compromise that could change their dynamic forever?