Master Key is an interactive variety show where celebrities compete with one another and play various games in order to achieve victory each week. The players have to find those who have the two Master Keys, reasoning through an intense psychological warfare. The viewers become "Watchers" and participate in the game as well. By the number of votes, each star receives special abilities. Who will be chosen by the Watchers and become the final winner?
Having married young, when frustration with their lives make Choi Ban-du and Ma Jin-joo regret their marriage of 18 years, a strange occurrence has them traveling back in time to the day before they met and into their younger selves.
Choi Kang-Woo is a former detective, but he now works as a veteran insurance investigator. He leads a team that attempts to reveal insurance fraud cases.
Ma Yi-Deum has worked as a prosecutor for 7 years. She sometimes resorts to drastic methods to win cases. One day, Ma Yi-Deum is transferred to a special division dealing only with sex crimes.
The heartwarming romantic comedy is about the friendship and love lives of three single virgins born in 1983. Their romantic lives begin when the boy they liked in their youth shows up one day. They live in Oksu-dong in rundown apartments, and the warm human drama will be about neighborly affection, and the meaning of home, family, and friendship.
Hyun-Soo is an aspiring drama series writer. She uses "Jane" as her username and begins chatting with username “Chakhan Seupeu” (‘Good Soup’) online. “Chakhan Seupeu” is actually Jung-Sun. He dreams of becoming a French food chef. They meet in real life.
Choi Go-Bong works in the field of artificial intelligence. His wife died 7 years ago after giving birth to their son Choi Yool. Choi Go-Bong then developed a borg mom using AI and robotics. Choi Yool enters a prestigious kindergarten and the borg mom meets the other mothers there. The mothers group is full of vanity and pretentiousness.
Story is set in Daegu, South Korea during the 1970's. Lee Jung-Hee is in the 2nd grade of high school. She has a bright personality and is the second daughter of a family who runs a toy factory. She and her friends go through adolescence.
Lee Roo-Ri tries to get a job at big company, but she gives up. She doesn't have a good relationship with her strict father. Lee Roo-Ri decides to travel to a foreign country to get away. There, she meets Jung Tae-Yang who goes by the YOLO motto. He wanders around the world and places priority on his happiness, but he also carries an emotional wound.
Some people like to stay at home doing nothing, and they are called a “homebody.” However, five homebody celebrities join this show to stay together and spend a holiday together. Actor Lee Sang Woo, Kang Daniel of Wanna One, Yong Jun Hyung of Highlight, Xiumin of Exo, and singer Park Jae Jung move into the same house. Will they be able to get along together?
This time-slip drama centers around Bong Pil and his five friends who travel between the past and present through a manhole in order to stop a wedding scheduled a week later.
This Korean reality vacation show explores the cultural differences of foreigners who are in Korea for the first time through their Korean vacation travel log.