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.

People binge eat and suffer from extreme thirst, which leads them to go crazy for water. They cannot control themselves because they are brainwashed by a parasite.