Darkest Hour is an upcoming British war drama film directed by Joe Wright and written by Anthony McCarten. The film stars Gary Oldman as Winston Churchill, and follows his early days as Prime Minister as Hitler closes in on England in World War II. 
It has everything that a Best Picture contender needs:
1. Historical event/true story-check
2. The Academy loves WWII movies-check
3. White male lead who becomes a hero-check
4. Fancy sets and costumes-check
5. Fall release (November 22)-check