Yui lives with her husband. She is frail and has been seeing Professor Sakawa, a renowned doctor at the university hospital where her husband works. However, she and the professor have started an affair. Her health has improved compared to before, but she continues the affair behind her husband's back. The two gradually fall into the harsh torments of ropes and candles. One day, after her husband left as usual, Yui welcomed Sakawa into their home. However, Sakawa was different that day...
