Iron Fist: What You Need to Know About Marvel's Latest Netflix Series

The protagonist of the story is Danny Rand, a young man who has been missing for years and suddenly returns home with some mysterious powers. Here's the synopsis, from Marvel:

Danny Rand returns to New York City after being missing for years, trying to reconnect with his past and his family legacy. He fights against the criminal element corrupting his world around him with his incredible kung-fu mastery and ability to summon the awesome power of the fiery Iron Fist.