Who Killed Chea Vichea? is about the murder of a Cambodian labor leader and the two innocent men sentenced to twenty years in prison for the crime. In 2004, Cambodian union president Chea Vichea was assassinated in broad daylight at a newsstand in Phnom Penh. As international pressure mounted, two men were swiftly arrested and convicted of the crime, each sentenced to twenty years in prison. Filmmaker Bradley Cox’s five year investigation reveals an elaborate cover-up that reaches the highest echelons of Cambodian society.