Wolves have shared territory with humans for thousands of years, and this film traces that relationship from ancient fear and folklore to modern conservation science. Researchers in the field track packs across multiple countries, fitting collars, studying kill sites, and recording howls to map territory boundaries. Interviews with biologists lay out how wolves were hunted to near extinction across much of Europe and North America, and how reintroduction efforts, such as those in Yellowstone, have reshaped whole ecosystems by changing elk and deer behavior. The film also sits with ranchers and rural communities who see wolves as a direct threat to livestock, giving real weight to the conflict between conservation goals and working landscapes. Camera crews follow researchers into remote forests and mountains to observe wolves at close range, capturing footage of hunts, pups at a den site, and pack interactions rarely seen on film. The result is a global survey of one animal's fraught coexistence with people, told through the scientists who study it and the communities who live alongside it.