Kana lives with her husband Takeshi and his father. After a passionate romance, she had dreamed of a loving and happy married life with her husband. However, cohabiting with her father-in-law turned out to be more difficult than expected. Though she had minor complaints, she decided to endure it for the sake of her husband. Over time, her father-in-law grew increasingly critical, constantly nagging and berating her every day. Unwilling to burden her husband with her troubles, she continued to suffer in silence. Gradually, her father-in-law’s behavior became even more hostile and severe. Kana’s anguish deepens as the situation grows increasingly complicated.