Plot: A biographical look at the life of one of American music's greatest influences and most powerful personalities. Johnny Cash was a piece of Americana and a Giant in the music industry across all genres. But it wasn't always so, he struggled to make his music, served in the Air Force, sold door to door, and married and had a family, as well as suffered drug addiction and more in his life. From a cotton picker to Music Super Star, Johnny Cash was The Man In Black.