Synopsis Drama series follows people who work diligently at Incheon International Airport. Lee Soo-Yeon (Lee Je-Hoon) graduated from prestigious KAIST (Korea Advanced Institute of Science and Technology). He begins work at Incheon International Airport and gives himself a goal of six months to get used to working there. Lee Soo-Yeon is a mysterious man who keeps people at a distance. There, he meets Han Yeo-Reum (Chae Soo-Bin). She is a new employee in the passenger service team. She wants to be a perfectionist, but her reality is a little different. She makes a lot of mistakes.