Perkins documents the story of a unique partnership between the U.S. Fish and Wildlife Service, universities, state fish and game agencies, and private organizations like the Wildlife Management Institute. Marlin visits 5 of the 50 cooperative wildlife research units which will show us a study of the fawn deer; the ecological interrelationship of forestry and endangered species; the protection of North America's largest and most beautiful snake, the Indigo; on the whooping crane and to the mountains of Utah to capture cougars.