One day in the middle of a record-breaking heat wave, Sanada, one of her husband's subordinates, came carrying her husband, who had passed out. Hiroka, who knew that her husband was her subordinate and loved her from the time she joined the company, treats Sanada favorably, but... Sanada is the wife of her boss. She forgets everything and falls in love. In her desire, she pushes Hiroka down and has a relationship with her husband who is sleeping next to her...