My Daughter's Lover 3

Mi-seon is a woman who cares deeply for her family but also has a strong attraction to younger men. When she learns that her current partner, Jeong-woo, has a younger brother, she becomes interested in him as well. Taking the opportunity when Jeong-woo's brother is alone at home, Mi-seon visits and attempts to seduce him. She soon discovers, to her surprise, that this new man is actually dating her daughter.