Mister Jang strongly suggests that Soo Yeon needs to take a rest for a while, but Soo Yeon insists on going back to work. At the airport, Yeo Reum runs into a high school classmate Min Jung who used to bully her. Min Jung who now works for a travel agency plans to take advantage of Yeo Reum to get some benefits for her work. In the meantime, Dae Gi loses his radio while quarreling with a pickpocket in the airport.

여름을 만나러 나가던 수연은 또다시 팔에 달린 웨어러블의 고장으로 쓰러지는데, 그 모습을 은섭이 목격한다. 한편 여름은 공항에서 우연히 고등학교 친구를 만나고 몹시 당황하는데 무슨 사연이 있을까.