The story opens with a young man playing internet games. Suddenly his face darkens and he begins to pound the keys nervously. His face changes to despair as he reads a message from another user. "Mr. 20-years old, do you have all the items?" The reply is: "I need one more." We next enter the lives of the residents of the Paradise Villa as a mystery unfolds.

As the first snow falls in Seoul, two old friends reunite; one is a successful college professor, and the other, a struggling filmmaker recently returned from the United States. After their reminiscences, they finally decide to go in search of the young woman each had romanced years earlier.

In 1990, number of children suddenly disappear. Meanwhile, the Ministry of Defense selects an elite group of scientists for a top-secret mission. Then, 30 years later ... The year is 2020 on a reunified Korean Peninsula. A string of murders is committed against retired scientists. The Special Investigations (SI) unit staffed by a crack team from the former North and South Koreas and outfitted with the latest technology is brought in to investigate. The killer, however, far from being deterred, taunts them with a signature pendant at every murder scene. In an act of devilish boldness he even kidnaps the son of the investigation team's leader, Seok

A group of Internet chatters decides to spend the summer together at a beach, renting an apartment and trying to know each other for real (or maybe they just want to have sex). Apparently a guy named "Sandmanz" committed suicide when he was ousted from the chatroom, and the group has split opinions on the matter. Some think he was just a psycho with no life, and he had it coming. Some others, like Yoo-na (the one who got closer to him), think that someone spread lies to force him to quit. Suddenly, the group is decimated by a mysterious figure who keeps e-mailing everyone that his/her fate will not be unlike Sandmanz's. The search for the killer begins, while people die right and left. (lovehkfilm.com)

Ha-yeong is a successful psychologist. One day she gets a secretive request from her sister Ha-joo. Apparently Ha-joo's husband Woo-seong is refusing to have sex. Ha-yeong agrees to be their couple therapist but finds out that her brother-in-law actually has sexual desires for her and not her sister...

Min-kyung, once a promising young dancer, is now running a small, shabby dance school in town. Her life gets even harder since her entire family is notoriously troublesome. Her father Won-jo is a dotard, her husband Sang-hoon, who aspires to become a film director but can't get himself to finish a screenplay, is jobless, and her son is reckless, calling his dad, ' Uncle '. However, she manages quite well despite their endless troubles until one day, she finds out that her husband has been cheating on her.

Jang Su-ro lives in the slums of Korea with his three sons 963, Dog Nose and So-and-So, who just got out of prison. While So-and-So's loyalties to his mob boss and biological family are put to the test when he finds that his family's home is slated to be demolished by the mob's developers, the rest of the family's life is complicated with the arrival of Sun-yi, Jang's new girlfriend who annoys Dog Nose and attracts the affections of 963.

A quartet of disaffected Korean youths have robbed a Seoul gas station. After taking the gas station over, their wacky antics ensue; forcing the manager to sing, kidnapping customers that complain about the service, and staging fist-fights between street gang members and gas station employees; all of these reflect their own gripes against society.