Takao has been living with his son and his wife for half a year after his wife passed away. Although his relationship with his son's daughter-in-law, Rinko, was ostensibly good, Takao was desperate to suppress the sexual desire that came up with Muramura without age. However, his patience is finally reaching its limits. Takao, a former masseuse, offers to treat Rinko, who is suffering from her back pain. At first, Takao looks worried as he performs the procedure, but his fingertips gradually stimulate Rinko's sensitive parts...
