Spending the Bon holiday at his wife's parents' home, the husband finds himself captivated by his mother-in-law Sayuri's timeless beauty. As she casually reveals her defenseless, alluring self like always, he loses all self-control. While his wife is out shopping, he stealthily pins Sayuri from behind, unable to resist the intense desire burning deep within. Enveloped in Sayuri's warmth, he can no longer deny his forbidden feelings.