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.

Cha Yo-Han—an arrogant but genius doctor of anesthesiology—and Kang Shi-Young—a smart, warm resident of anesthesiology—work together to help people with mysterious cases of acute or chronic pain.

An art curator's life unravels, as she tries to keep her pastime as a die-hard K-pop fan secret from her gallery's new director.

Leaning on each other through thick and thin, a trio of best friends stand together as they experience life, love and loss on the brink of turning 40.

Korean emperor Lee Gon tries to close the doors to a parallel world which was opened by demons; a detective tries to protect the people and the one she loves.

When her family becomes suddenly homeless, Woojoo decides on revenge for all the injustices she has been put through. However, her supposed foe, Dongjin, is a heart-wrenchingly lonely and gentle soul.