One day, Yuki, a capable married woman and secretary to a company president, is asked by the president to check the expenses of the sales department. While checking in the middle of the night, she discovers unaccounted funds that have not been recorded as expenses. When the sales manager finds out about the embezzlement, he tries to appease her by saying, "If you keep quiet, you'll get your share," but Yuki refuses to comply, and Yuki, fed up with him, pushes him down on the spot. The whole thing was captured on video, and since then, Yuki has been following the manager's orders and letting her body be played with by clients and her superiors, not wanting her husband to know about it...