Long before the safety-pinned revolution took the world—and chart-music shows—by storm, punk existed as a riotous outlet for British youths dissatisfied with the world they found themselves living in. In their new archive-packed documentary, London-based directors Joppe Rog and Harris Elliott capture the anarchic inception of the subculture’s storied history: when Malcolm McLaren and Vivienne Westwood’s famed store, Sex, sat opposite musician and producer Don Letts’s Acme Attractions on London’s King's Road.