Humanity is absolutely dependent on animals as part of life. In industrial society however, this has extended to animals as pets, 'entertainment' and for expendable use in scientific research -- animals are tortured for 'scientific tests', locked in cages as pets and at the zoo and are bred on mass for cheap meat. What does this say about industrial civilisation? Earthlings conducts an in-depth study into pet stores, puppy mills and animals shelters, as well as factory farms, the leather and fur trades, sports and entertainment industries, and the medical and scientific profession, using hidden cameras to directly show the day-to-day practices of some of the largest industries in the world...