Wife Kanon is forced to visit her husband's family home. Her relationship with her father-in-law is strained, and she had asked her husband to avoid being left alone with him. However, her mother-in-law leaves for a class reunion, leaving Kanon, her husband, and her father-in-law alone together. While separated from her husband in his hometown, Kanon is sought out by her father-in-law, who begins to draw closer to her. Suddenly, heavy rain soaks Kanon to the skin, heightening the tension between them. The evolving dynamics among the three characters and the shifting atmosphere become the focal point.