What happens when aggressive, riotous punk music becomes the peacemaker?

Chronicling a history of punks at war, Blitzkrieg Bops studies bands who have soundtracked a movement —including Pussy Riot, Stiff Little Fingers, National Wake, Wutanfall, Los Pinochet Boys, Rimtutitkui, The Kominas & more — creating music to overthrow corrupt governments, stomp out oppressive regimes, fight the establishment and, in turn, fight for their lives.