The One’s 30th anniversary event is only a few days away. To make the event a success, Young-eun and her team members work hard and try to invite Hye-rin, a popular influencer, as the model of their new clothes. However, things aren’t going well as Hye-rin is being very picky and uncooperative. Only one day is left until the event, and Young-eun comes to make a big decision. Meanwhile, Jae-guk finds out who bought his photo in Paris ten years ago. (thetvdb.com)