One of the hardest-rocking bands in musical history, Led Zeppelin crafted epic songs of grace and fury influenced by the American blues tradition. This insightful documentary chronicles the band's history via rare photographs, archival footage and interviews. Features appearances by tour manager Richard Cole, record engineer Andy Johns, groupies Lori Mattix and Pamela Des Barres, and members of Bad Company, The Ramones, Foreigner and more.