Missing the last train, the son-in-law reluctantly ends up staying at a love hotel with his mother-in-law. He can't take his eyes off her voluptuous body, which he had never paid attention to before! Sensing his gaze, the mother-in-law also starts to feel hot down there... She even changes into sexy lingerie that she hasn't shown her husband, and plunges into intense sex for one night only!! Their insatiable lust leads them to have sex again after taking a bath!!
