Dunkirk has very weakly written script , it relies a lot on Visual effects and sounds especially . Story tries to hard to make sense , frankly speaking there is no story . It is like a documentary of enacting escape from Dunkirk , that's all . I think people are over rating it because of Nolan . I would have preferred any Jonathan Nolan script over this Christopher Nolan written Dunkirk . I would rate this movie 6/10 . That's my personal opinion .