Bangdokpi (2010)

2009 - election day in the capital city of Seoul. Four people roam the city looking for a gas mask wearing serial killer for different reasons. Young werewolf Mi-Joo wants to be killed by the serial killer to overcome her trauma. Sang-Jun Joo is the leading mayoral candidate, but has been threatened that he will be killed if he wins. Traffic cop Bo-Sik wants to catch the serial killer, because he thinks of himself as a superhero. Lastly, American marine Patrick is after the serial killer, because he believes the serial killer killed his girlfriend. These four people meet on election day.