During the First World War, two American soldiers become trapped in no man's land. Expecting to die, W. Daingerfield Phelps III (William Boyd) decides to fulfill his fondest desire: to beat up his sergeant since training camp, Peter O'Gaffney (Louis Wolheim). While they are brawling, the Germans sneak up and capture them.
Naive and awkward Gu-chang is on his seventh year of college, constantly failing job interviews and living off of an allowance from his divorced sister. The almost 30-year-old virgin has never had a girlfriend, or even kissed a girl before. One day, he picks up a wallet at a dining hall and meets its owner: sweet, innocent and bashful Ani. He falls in love with her instantly and the two begin dating. But just when everything seems to be going well, he discovers another side to Ani: she becomes overly aggressive, drinks too much and cusses loudly. He learns that his girlfriend has multiple personality disorder, and that wild and violent Hani is one of her two personalities.
Brandon Lang (McConaughey) is a former college football star who, after sustaining a career-ending injury, takes a job handicapping football games. His success at choosing winners catches the eye of Walter Abrams (Pacino), the slick head of one of the biggest sports consulting operations in the United States. Walter takes Brandon under his wing, and soon they are making tremendous amounts of money.
Hoon (Cha Tae-hyun) is a famous Casanova who works as a part-time valet parker at a bar. He suffers from a huge amount of credit card debt, since he has spent money on his girls. Meanwhile, Hun’s usurer hires Jung-Tae (Park Joong-hoon) to threaten Hoon to get his money back. One day, Hoon and Joong-Tae witness a murder scene and they fall into real trouble.
The Balkan Prince Henry arrives to Pennsylvania Station in New York City to do some research on how the "ordinary" man lives and works. Since his travel companions are unaware of his bold plan, he has to sneak away unseen to escape them. He catches a taxi outside the station, and gets to know the driver, Buzz Williams.
Jimmy, while working at a strip club in Kings Cross, is approached by local mob boss Pando who says he has work for him. Pando gives Jimmy $10,000 to deliver to a woman in Bondi, and when she appears not to be home, he goes for a swim on the beach. Unfortunately the $10,000 is stolen by two street kids while he is swimming, leaving him heavily indebted to the furious Pando and his gang. The street kids, Pete (Evan Sheaves) and Helen (Mariel McClorey), go on a spending spree with their newfound wealth.