Miyako's husband is often away on long business trips, and she feels lonely every day. One day, when she comes home after drinking to cheer herself up, she finds her son watching an adult video in his room. While the two of them are watching the video, fuelled by the alcohol, her son becomes aroused and starts touching her body. At first, Miyako thinks he's just messing around, but her growing sexual frustration makes her feel more and more pleasure...