The film frames Don’s story with the Enoch Powell Rivers of Blood speech in 1968 and the “hostile environment” immigration policy of 2018. how rastas and punks found a common bond, and how he introduced dub reggae to the punks. How he became part of the inner circle of the Clash, and how Johnny Rotten took him to Jamaica.

Mick Jones (The Clash, BAD), Paul Simonon (The Clash) and John Lydon (Sex Pistols, PIL), Jazzie B (Soul II Soul) and Daddy G (Massive Attack) are all interviewed along with Don Letts himself.