The Act of Killing is about killers who have won, and the sort of society they have built.When the government of Indonesia was overthrown by the military in 1965, Anwar Congo and his friends were promoted from small-time gangsters who sold movie theatre tickets on the black market to death squad leaders. They helped the army kill more than one million alleged communists, ethnic Chinese, and intellectuals in less than a year. As the executioner for the most notorious death squad in his city, Anwar himself killed hundreds of people with his own hands.Today, Anwar is revered as a founding father of a right-wing paramilitary organization that grew out of the death squads. The organization is so powerful that its leaders include government ministers, and they are happy to boast about everything from corruption and election rigging to acts of genocide.

Unlike ageing Nazis or Rwandan génocidaires, Anwar and his friends have not been forced by history to admit they participated in crimes against humanity. Instead, they have written their own triumphant history, becoming role models for millions of young paramilitaries. The Act of Killing is a journey into the memories and imaginations of the perpetrators, offering insight into the minds of mass killers. And the film is a nightmarish vision of a frighteningly banal culture of impunity in which killers can joke about crimes against humanity on television chat shows, and celebrate moral disaster with the ease and grace of a soft shoe dance number.

(The text is taken from http://theactofkilling.com/synops/)