Rebellious Ki-soo from North Korea is mesmerized by tap dance in prison camps. Ki-soo joins as a team member of a dance team named 'Swing Kids'. Yet suddenly, their dreams about dancing in prison camps are put in danger.

South Korea, 1993. An agent of the National Intelligence Service is sent to Beijing to infiltrate a group of North Korean officials with the ultimate goal of obtaining information about their nuclear program.

This is the story of a father who died mysteriously in May of 1980, a mother who lives in the shadows with a bullet in her head and not being able to forget May 18th and their daughter, and the nation's greatest comedian, Hee-soo.

Mi-suk has quit working in film work. She loses the external hard drive containing the original filming of her friend. In the middle of a mysterious hole she found while scouring the house, Mi-suk meets the things she has lost.

Every episode has one dialogue with two characters in one place. The six dialogues are for beginners who should still learn from the realities of how we rule out people around us not only reasonably but smoothly.

Making use of her Chinese that she had picked up while living in China, Han-young obtains her tour guide-interpreter's license and starts working as a guide in Korea. She gets used to her new surroundings and gains good results at work. However, she is forced to face challenges and changes as she loses touch with her brother In-hyuk, and the number of Chinese tourists decreases due to political tension between Korean and China.