
In the movie The Third Mom, Yeon-hee is the third mother, appears before Jun-seok and Mi-ran, who are having an affair. Yeon-hee looks around Jun-seok’s house as if it were her own, but Jun-seok is not easy and stubborn, kicking Yeon-hee out. Yeon-hee kneels down and apologizes, saying that she has nowhere else to go since her father disappeared, leaving behind only a debt. Miran is stunned and goes to work at a bar, while Yeonhee stays at Junseok’s house, cleaning and doing laundry. The two of them. They pretend not to know each other, but a strange atmosphere permeates them, and when Miran doubts their relationship, she witnesses the two of them having sex…