Released after being wrongfully convicted and imprisoned for 13 years, a woman begins executing her elaborate plan of retribution.

Seong-hoon becomes involved in an illicit affair with Moon-ok, the second wife of Choi Seok-pa, the chairman of a conglomerate, after helping her to the hospital when she fainted from vertigo. Choi Seok-pa schemes to use Seong-hun to protect his fortune from Moon-ok, but soon comes to his senses. Seok-pa's only daughter, Nan, falls in love with Seong-hoon, who has become cold-hearted in pursuit of his desires.

A car wash attendant Yong-dae decides move to Seoul with his girlfriend Tae-suk for join the most dangerous gang Yu Kwangcheon. On the way to Seoul they lost entire of savings to a swindler Man-su whom the most wanted by Yu Kwangcheon.

Bok-Soon runs a street stall, cares for her younger sister, and is feared by many because of her quick temper. When Tae-Soo murders her sister, rage consumes her completely as she stalks the killer.

Yu Jin is a member of a gang in Itaewon district. He will do anything for money, even take a knife. The only person he cares about is his half brother Dol Ee. Shany and Geum Ja are dancers in clubs in Itaewon. They will sleep with anyone, even foreigners, for money. Shany and Geum Ja only have each other to lean on. Nam Ok and Jang Sook have their own fantasies about America and are obsessed by the American dream. Jang Po is an Itaewon mob boss who cruelly extorts money from the young people of Itaewon. These people fight each other with tragic consequences. Under the Itaewon sky, their suffering and tragic love continue.

Dong-hyun is a high school student. One day, he falls from the rooftop and bumps into Pan-soo who is a passerby. Pan-soo is a member of a criminal organization. When the two men wake up in the hospital, they discover that they have switched bodies.

A young couple's love is tested when Sun-jin is diagnosed with a rare form of Alzheimer's disease.

A failed writer given to plagiarism gets a buzz at the door from a bright young working girl with a highly original approach to life and sex and his life and work is totally thrown off balance.

An old bachelor Seok-joong, who has no experience in dating, falls in love at first sight with a prostitute named Eun-ha. At first Eun-ha shows no interest in Seok-joong, but gradually she begins to be flattered by his devotion and eventually falls in love with him. They marry. However, one day, Eun-ha finds out that she is infected with HIV and decides to leave Seok-joong.