The wife, Ryou, who felt lonely for her indifferent husband, found solace only in the kind words of her brother-in-law, Tooru, during his business trip. One day, Ryou discovers her husband's infidelity. Seeing Ryou's sorrow, Tooru gently embraces her. Despite feeling it was wrong, Ryou accepts Tooru's deep affection and warmth, and the two gradually drown in a passionate love, filling the gaps in their hearts with intimate, loving embraces.
