Britain, late-1970s. Punk is exploding. The country is deeply divided over immigration, and the National Front, a far-right political party, is gaining strength. Outraged by a racist speech from Eric Clapton, music photographer Red Saunders writes a letter to the music press — and with a flood of responses, Rock Against Racism (RAR) is formed. WHITE RIOT recalls a moment in time when a generation of music lovers challenged the status quo — it’s Woodstock meets the March on Washington, punk-style.