Episode 7 - S1.E7

Se-gyeong calls Yoon-joo and asks her the answer of the first danger among the three she must encounter if she wants to go into Cheongdam-dong. Yoon-joo replies that it is love. When Se-gyeong returns home, she sees that her parents are chasing after her sister, Han Se-jin. Se-gyeong learns that her parents want her sister to quit school for a while and help out their shop. At first, Se-jin does not want to, but after Se-gyeong promise to buy her a new bag, she agrees to do it.