Watch the first trailer for Christopher Nolan's World War II movie Dunkirk

Christopher Nolan's first World War II story, Dunkirk, just got its first teaser trailer. The film, which stars Tom Hardy, newcomer Fionn Whitehead, and Bridge of Spies' Mark Rylance, also features One Direction's Harry Styles in his first film role. It will tell the story of Operation Dynamo — a last-ditch effort to evacuate 300,000 Allied troops who were surrounded by Nazi troops in the French seaport of Dunkirk.
The trailer is super short and super tense. It opens on a crowded boat