The Rocky Horror Picture Show is simultaneously one of the iconographic touchstones of 1970s cinema, and a timeless romp that appeals equally to every fresh generation. Created with a sharp eye for cult and context alike, Rocky Horror leaped effortlessly from stage to celluloid, losing none of its immediacy and spontaneity in the process – and maybe gathering more. Dave Thompson goes deep inside the phenomenon to trace the story and the strangeness that is The Rocky Horror Picture Show.