2 of One features two versions of Metallica's 1989 video "One" from their album, "...And Justice for All" in commemoration of the success of Metallica's first promotional video. In addition to the two videos, the versions of the "One" video, Lars  introduces the video telling  using humor and trivia. They actually came up with the concept on their own and then found out about the book and the movie "Johnny Got His Gun"! The rest is Metal history!