Although hunted into extinction nearly a century ago, recent sightings suggest that the ferocious Eastern Cougar has resurfaced in the United States. Sean Duggan takes his search to Kentucky to uncover the possible return of this apex predator. Known to be one of the world's greatest hunters, the Eastern Cougar devours prey seven-times its size and can snap an animal's neck with one deadly bite. Following a string of cougar sightings, Sean sets out to track down the extinct beast and find out if this essential creature has returned to the wild.