a documentary that wear it heart on it sleeve be often a documentary that keep it eye on the prize . and just day after view the disappointingly cursory american hardcore and metal represent a headbanger journey throw down a challenge in it first scene when a frazzle youth with a microphone make sure to add that punk do not belong in this world . canadian metalhead cum anthropologist and sam dunn head off on a personal odyssey to the united state and germany and the uk and norway to interview metal luminary and academic with two purpose in mind to find out why metal have be so maligned and to gauge the obsession it inspire throughout it legion . dunn angle a new perspective on it self aware and perceptible fanbase and band by personalise his journey in a formalised and but never didactic way and of approach his subject and interviewee a kindred spirit . he feature erudite interview with the subculture lead and most influential personality and accomplishes his first goal by juxtapose their reason and inform view on metal with the irrational fear that advocacy group have wag battle over . but in one of the film most harrowing interview sequence and he also concede that there be some band that take the transgressive state of their cult of personality too far . dunn academic background allow him certain legitimacy and the documentary do try to counter the stigma of a pedagogic structure by employ some innovative and accessible use of the documentary within a documentary footage and accentuate dunn individual venture into his lifelong fascination .