premise: Balibo (film) is about an investigation of deaths.
hypothesis: Balibo is a 2009 Australian war film that follows the story of the Balibo Five , a group of journalists who were captured and killed while reporting on activities just prior to the Indonesian invasion of East Timor of 1975 . The film follows dishevelled journalist Roger East , played by Anthony LaPaglia , who travels to East Timor in 1975 to investigate the deaths of the Balibo Five during the buildup to the Indonesian invasion of East Timor .