Megumi's husband passed away six months ago. Her daughter and her husband came to live with her, and the three of them now live together. Recently, her daughter has been busy with work, and she has had less sex with her son-in-law. One day, her daughter was in a bad mood, so Megumi and her son-in-law were having a drink together. Her son-in-law was so drunk that he was unsteady on his feet. Megumi put him to bed. He mistook her for his wife and embraced her, kissing her and making love to her. Megumi resisted at first, but she couldn't help but feel aroused by the man's body after a long time...