An educational film about the animal liberation front, a controversial animal rights goup who forgo traditional protest with illegal underground tactics. The film discusses vivisection and the goals of the ALF, using the campaign against animal-testing lab huntingdon life sciences as a case study of the need for direct action as civil disobediences, and includes interviews with former ALF activists and anti-HLS campaigners, as well as rare video footage of the ALF raids of the lab in April 2001, and Marshall Farms, one of their suppliers of beagle dogs, in December 2001.