The Okamoto couple have built a fine home together—made possible only through financial support from the wife Kaori's parents. Yet her husband Shungo constantly doubts whether he truly deserves such a life. One day, he invites an important client's company president to his home, only to commit an unexpected and disastrous blunder. As a result, he loses the trust of his boss and falls into deep self-loathing. Worried about her husband, Kaori decides to visit her boss to plead on Shungo's behalf, but her actions take an unforeseen turn, leading them all down a path of betrayal and desire.