High-powered executive Asuka Namba never married, staking everything on her career and earning the position she holds today. Proud and determined never to lose to a man, she belittles male employees who fail to measure up and bullies them relentlessly. She has a vicious sadistic streak, yet deeper down she hides an equally powerful need to submit. Caught between her domineering boss persona and her secret masochism, a chance turn of events forces her to expose that kink to a timid subordinate.