My only son is getting married this autumn, and he's happily spending time with his fiancée, Kana. On weekends, they frequently visit the wedding venue to discuss arrangements and wedding favors. All the while, Kana's youthful, voluptuous figure draws lingering, lustful stares from her soon-to-be father-in-law. One day, while her boyfriend is away on business, the older man—his manhood erect and rock-hard despite his age—can't hold back any longer...!