Toru's late wife was a political marriage and he never felt love. Starved of love, his life was chaotic and he was addicted to alcohol. One day, his son's wife, Yuna, came to see him out of concern for him. In his drunken daze, Toru was drawn to the beautiful, plump, moist lips of Yuna who suddenly appeared before him and he kissed her without thinking. It was an impulsive act, but Toru could not forget the feeling of those lips, so at night he sneaked into Yuna's bedroom, took her lips again and reached out to her voluptuous body...