Wife (Chiaki) turns her attention from her husband to a complete stranger in search of fulfillment. Though shy at first, she gradually opens her heart and body, immersing herself in a sensual world where her desire for the man grows stronger each day. Reclaiming the feminine side she had nearly forgotten in daily life, she resists returning to reality, shedding tears at the moment of parting. This emotional transformation reveals deep layers of her inner self.