There was an incident involving her husband Kenichi that she simply couldn't forgive. One day, he invited a subordinate to their home, and witnessed firsthand his wife Satomi chatting intimately with the man. Seeing them talk so happily together, as if they were lovers, stirred intense jealousy within Kenichi. To find out whether Satomi truly had feelings for his subordinate, he made a bold decision—let the subordinate try to seduce her. What follows is a dramatic story full of tension, as this decision begins to transform their marriage in unexpected ways.