Emblazoned on t-shirts worn by Marxists, try-hards and students alike, the now-iconic image of Che Guevara has been reappropriated so many times that it has been dubbed "the Mona Lisa of photography". This fascinating documentary, which features the insights of Gael Garcia Bernal, Antonio Banderas and guitarist Tom Morello, traces the history, evolution and symbolic significance of one of the most iconic images of our time.