Her Secret Lesson [Uncut]

An erotic film about a father-in-law who exploits his daughter-in-law’s weakness to prevent her from divorcing her husband.

So-jeong tells her father-in-law, Hyeon-seok, that she will divorce her husband, Seung-gyoo. However, Hyeon-seok intimidates her by showing evidence of her cheating on his son with another man and then proceeds to have sex with his daughter-in-law. After experiencing the taste of her father-in-law’s big manhood, So-jeong later seeks out her father-in-law on her own for more.