"Rie, widowed after her husband's passing, had her peaceful life abruptly end. The aching of her body, now a widow, could only be managed through self-gratification... Seeing such an image of her sister-in-law 'Rie,' her brother's wife, 'Erika' confesses the feelings she had kept hidden for 'Rie.' However, unable to endure loneliness and the thirst of her body, 'Rie' accepts the transgressive relationship with 'Erika'...”