Iron John is a German film set in the early 20th century. It tells the story of a young man named John, who is forced to leave his home in search of a better life. Along the way, he meets a mysterious figure known as Iron John, who helps him on his
From Wikipedia
"Iron John" is a German fairy tale found in the collections of the Brothers Grimm, tale number 136, about an iron-skinned wild man and a prince. The original German title is Eisenhans, a compound of Eisen "iron" and Hans. It represents Aarne–Thompson type 502, "The wild man as a helper".