Focus Features has unveiled theatrical trailer for Darkest Hour (2017). Within days of becoming Prime Minister of Great Britain, Winston Churchill must face one of his most turbulent and defining trials: exploring a negotiated peace treaty with Nazi Germany, or standing firm to fight for the ideals, liberty and freedom of a nation. As the unstoppable Nazi forces roll across Western Europe and the threat of invasion is imminent, and with an unprepared public, a skeptical King, and his own party plotting against him, Churchill must withstand his darkest hour, rally a ... ( more ). Watch theatrical trailer now!