It's a condition known as "hypertrichosis" or "Ambras Syndrome," but in the 1500s it would transform one man into a national sensation and iconic fairy-tale character. His name: Petrus Gonsalvus, more commonly known today as the hairy hero of Beauty and the Beast. Discover the facts behind the fable as we follow Petrus's remarkable life with a very rare and hairy genetic condition. Then learn about this medical phenomenon, which continues to fascinate and perplex scientists to this day.