This film traces the history of the censorship exercised by the States at the Cannes Film Festival, from its abortive creation in 1938 until the early 1980s. Through the prism of cinema, it looks back over nearly thirty years of international history, from the aftermath of the Second World War to May 68, against a backdrop of the Cold War. The opportunity to (re) discover the films that have caused controversy on the Croisette and an unprecedented and little-known facet of the most famous film festival in the world.