Lee Soo Yeon and Han Yeo Reum are rookies who work at Incheon Airport. Soo Yeon wanted to become a pilot but had to give up on his dream due to his circumstances, and so, he joins the passenger services department instead. Coincidentally, Yeo Reum is transferred into the same department at the airport. Although she tries to be a perfectionist she still has a lot to learn. The story follows their interactions with each other, their coworkers and the passengers in the airport.