"My Daughter Seo Young" Park Hae Jin and Park Jung Ah appeared as couples.
On the Saturday episode of KBS "My Daughter Seo Young," Lee Sang Woo (Park Hae Jin) becomes a couple with his sister's sister-in-law Kang Mi Kyung (Park Jung Ah), 3 years after Seo Young (Lee Bo Young)'s marriage.
Lee Sang Woo and Kang Mi Kyung had been secretly dating as residents at the hospital and snuck out to the roof to see each other.
Kang Mi Kyung is Seo Young's sister-in-law but Lee Sang woo doesn't know this fact because he stopped talking to his sister a while ago.
Kang Mi Kyung is hiding the fact that she is the daughter to a wealthy family and she is wondering when she will be able to reveal it to Sang Woo, who is currently living in an attic with his father.