Released in March of 1987, U2’s The Joshua Tree quickly became the fastest-selling album in British chart history. The story of the making of the album is told here, via interview and archive film footage, with contributions from band members Bono, The Edge, Adam Clayton and Larry Mullen. U2’s long-time manager Paul McGuinness reveals how the album catapulted the band into the category of rock superstars, and there are contribution from Elvis Costello, re-mix producer Steve Lillywhite and, of course, Brian Eno and Daniel Lanois.