Boris Johnson, Prime Minister of the United Kingdom since July 2019, wanted his country to leave the European Union, without fail, on October 31, 2019...While the prospect of a new (and third) postponement of this deadline emerges in the interest of avoiding a "no deal", the film looks back on eighteen months of tensions in the footsteps of the European negotiator Michel Barnier, at the heart of the negotiations for the biggest divorce in history.