Living in the household of her husband Masaya, Akemi finds herself drawn to the kindness of her father-in-law, Yoshio, who lost his wife several years ago. Gradually, she lets her guard down around him. While his warmth seems comforting, it masks a far deeper, hidden desire. Taking advantage of Masaya's absence, Yoshio slowly draws closer to Akemi, subtly asserting control over her emotions. His touch is persistent, skillfully bypassing her resistance and clouding her judgment. Eventually, Akemi begins craving Yoshio herself. Along the way, she becomes increasingly aware of her own shifting feelings. This story unfolds in the fragile space between affection and betrayal, love and lust, leaving viewers deeply introspective.