A man suffering from writer's block thinks he needs to commit murder to get inspiration. Then he realizes that murdering people who are madly in love each other is never easy at all.

After being kidnapped as a small child and raised by the five men who abducted him, a teenage boy is now forced to join their life in crime.

When the ruthless Yellow Tigers ascend to the top of the criminal underworld and law enforcement fails to put an end to their violent acts, a martial arts expert organizes his own gang to take them down.

Yin-ae has lost patience with her boyfriend Min-gu now that her period is one week overdue. She is seized with the fear of pregnancy but Min-gu contends that there is no chance at all. When she tells him “There are sperms in that fluid which is emitted before man ejaculates,” he himself searches for that fluid in the web page of Wikipedia.

Kang Hyeok, a world ranked professional boxer, is released from prison after serving time on a false accusation and searches for Director Hong, who reported him. Kang Hyeok is pursued by unknown men after returning home from the hands of Director Hong at the funeral of Daedong Group Chairman Hwang Dong-su. Kang Hyeok, who was falsely accused of murdering Mr. Park, who claimed to be the owner of an entertainment company, and was avoiding pursuit, meets Madame Q, who was betrayed by Chairman Hwang, and learns about Hwang Dong-soo's survival and the full story of the incident. He runs to the villa where he is hiding and urges Hwang Dong-su to turn himself in, but he threatens Su-jan and Kang-hyeok and plots to get them involved. Seo-jan and Kang-hyeok eventually crush their plot and confirm their love.

Lee Lung witnessed the murder of his parents by the ruthless bandit Shek King who in turn abducted Lee's infant sister. Lee wanders the land and learns martial arts from a drunken master. Once his skills are perfected, Lee sets out in search of his long lost sister and the villain Shek King.

In an effort to take advantage of the political chaos during the reign of King Ko-jong, the emporer of Japan sends several warriors to infiltrate Korea. The son of the nation's top martial arts teacher, who has been studying dance and Buddhism, proves that he is a warrior as well as an artist by fighting off the invaders with Taekwondo.

Deliveryman Jong-su is out on a job when he runs into Hae-mi, a girl who once lived in his neighborhood. She asks if he'd mind looking after her cat while she's away on a trip to Africa. On her return, she introduces to Jong-su an enigmatic young man named Ben, who she met during her trip. One day Ben tells Jong-su about his most unusual hobby.

Episode 1. Mie comes to Korea in search for a keepsake, which her grandpa left behind when going back to Japan from Jeju Island due to Korean Liberation. She and her friend, Eiko meet a variety of Korean on their journey to Jeju Island. Episode 2. Jong-hwan defrauds people of money with a laptop-computer to make money for meeting his mother who lives in Japan. Episode 3. On arriving at the airport, Ishida starts running to catch the flight to Japan. He ends up missing his flight by bumping against Go-ny, working at a duty-free shop at the airport. After a while, they get to meet up once again at the airport and spend some time together.