A thorough analysis of the making of the film featuring original interviews with those involved. How Performance came about and the involvement of key players such as James Fox who journeyed into the criminal underworld and how real gangsters were involved in the research for the film. Reveals how Marlon Brando was originally considered for the role of Chas. The various conflicts and intrigues that arose during filming, how the film was edited, the censorship pressures, the unseen footage and how it eventually made its way to the big screen. Critical reaction to the film and how it turned into a cult classic. An overview of the careers to date of directors Donald Cammell and Nicolas Roeg.