This series follows people who work diligently at Incheon International Airport. Lee Soo Yeon graduated from prestigious KAIST. 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. 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.

• Lee Je-hoon
• Chae Soo-bin
• Lee Dong-gun
• Kim Ji-soo
• Kim Kyung-nam
• Lee Soo-kyung
• Rowoon
• Ahn Sang-woo