A secret affair unfolds behind their husbands' backs. Married woman Sanae (pseudonym), age forty, ten years into her marriage with no children, lives as a full-time housewife. Yet she feels unfulfilled in her relationship. Her husband, inexperienced with women, makes their sex life dull and routine. Suppressing mounting desire, Sanae gives in to another man, overwhelmed by intense pleasure despite her guilt.
Another married woman, Rika (pseudonym), age thirty, two years into marriage with no children, works as a hairstylist but feels loneliness in her daily life with her husband. Though she knows the sweet days of newlywed life won't return, exhausted by their growing emotional distance, she turns to a man outside her marriage for a secret date. His words stir her—"If I say this, I sound like such a lustful woman..."—yet her excitement rises as her desire ignites.
Through clandestine dates hidden from their husbands, each wife rediscovers her suppressed emotions and experiences new sensations. A story of two women seeking fulfillment in secret, filling the emptiness of their marriages with forbidden passion.