Through a misunderstanding, Chul-su arrives on the doorstep of Chun-hi. Having nowhere else to go, he forces her to allow him to stay until they can contact their mutual friend to solve the problem. Their initial contempt for each other gradually softens.

In a near future Korea, where an "oblivion virus" which causes memory loss has become the centre of a tourist industry aimed at those who wish to forget the past, Anna Kim, a German woman of Korean descent, seeks the virus in order to erase painful memories and, along the way, develops a close bond with her driver and her teenage guide.

Han is a suicidal saxophonist, Mun is a violent simpleton with an I.Q. of 80, and Maria is a single mother with dreams of becoming a nun. Han has tried numerous times to kill himself, but nothing ever works. After witnessing his wife's infidelity, it's the last straw.

Te-o begins life as a lonely son of a high-ranking officer. He buys his friends with money and ice cream. Eventually two of these boys, the orphans Euglena and Amoeba, become real friends. Years later, Te-o abandons his overseas education and returns home. He finds Euglena making a living as an artist the hulking Amoeba had suffered a head injury which has arrested his mental development. After drinking, the three friends are stopped by a police officer. The police officer is accidently killed by a garbage dumpster and, even though the Te-o, Euglena, and Amoeba are innocent, the policeman's partner demands that they pay 20 million dollars in return for their freedom. From there is becomes a comedy of kidnapping, corruption, and chaos.