On 31 January 1968, 31 North Korean commandos infiltrated South Korea in a failed mission to assassinate President Park Chung-hee. In revenge, the South Korean military assembled a team of 31 criminals on the island of Silmido to kill Kim Il-sung for a suicide mission to redeem their honor, but was cancelled, leaving them frustrated. It is loosely based on a military uprising in the 1970s.

A notorious dirty cop makes an honest attempt to catch a serial killer who even murdered his own parents.

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.

Young married couple Yoon-hee and Jung-hyun go on a road trip, and along the way they pick up a lone drifter, M. M turns out to be a violent and sadistic psychopath who terrorises the couple at every turn. After capturing Jung-hyun, Em gives him a choice: submit to torture or allow Em to kill Yoon-hee.

A young man believes that his country's leaders are actually toxic reptilian aliens sent down to launch a takeover of his beloved Earth. So he decides to abduct them and force the truth out on camera in his basement that doubles as a film studio and torture chamber.