Hyun Jin's Predicament - S1.E6

With nowhere else to go, Soo Jin takes Hye Na to stay with Dr. Jeong for the time being. As Dr. Jeong sutures up her cut hand, Soo Jin tells him about her past. The next day, Soo Jin goes to confront her biological mom and asks her why she had abandoned her. While Hye Na waits for her at the playground, Hye Na coincidentally meets Hyun Jin, Soo Jin's sister.