On her way home during the holiday season, Jooyoung is called back to work. Having to work overnight is annoying enough, but then she gets stuck at a sobriety checkpoint.
Haunted by past wounds from her parents, Seo-young suffers from tinnitus and vertigo which started when she had moved to her new office in the sky a few months ago. Seo-young and Jin-su, the manager of the development team, are secretly dating, but becomes vulnerable to an unexpected provocation. Saddened by the death of his only sister, Gwan-woo navigates around a 70-story high-rise on ropes. While cleaning windows on ropes at Landmark Tower one day, Gwan-woo becomes intrigued in Seo-young who watches him in awe from the other side.
Min-jae, a rookie police officer with a natural born talent for driving, is assigned to the perfect team: the Hit-and-Run Squad. But at the same time, for police detective Si-yeon, it is a place she is unjustly demoted to for doing her job. The two team up to arrest the rich and powerful speed maniac Jae-chul who is suspected of committing crimes for his obsession for speed.
There is a serious problem with getting a job among young people in Korea. A young man in Korea named Doo-soo is lying to his parents while working at a market, because most Korean people don't want to a blue-collar job. But suddenly he has something important he has to do -- betting on Jang-gi (Korean chess). Would it be possible to change the world with a bet?
Transferred to a new high school, Jin-suk, meets a friendly classmate, Eun-yeong. However, Eun-yeong doesn’t realize that the reason for the transfer was the result of Jin-suk getting into trouble at her previous school. When the abusive ex-husband of Eun-yeong’s mother gets violent, Eun-yeong and her mother flee to Jin-suk’s home. Since Jin-suk lives alone, the two feel comfortable there. But then Eun-yeong’s mother steals Jin-suk’s money and disappears. Where has she gone? Can Jin-suk and Eun-yeong get the money back from her? The two set out to track her down.
Jin-woong and Ji-sun are friends of 20 years. One day, Ji-sun goes to Gangwon-do to meet Jin-woong, who is serving in the military at a late age. In an unexpected notice of the Ji-sun, Jin-woong takes ji-sun and heads for the sea of the East Sea.