After her mother-in-law passed away, she suddenly started living with her husband and father-in-law... In the midst of her natural actions of cleaning and cooking, her unguarded panty shots and breast flashes, and her slender body can be seen through the frosted glass of the bathroom. The "son's wife" soon becomes a "woman," and her father-in-law, driven by impulse, rapes her. Although she feels guilty about her immoral act, she is unable to talk to him about it, and as she is seduced by her father-in-law every day, she suddenly finds herself looking forward to the time when her husband takes a bath...