What we mainly have to analyze is what happens in the scene. If we are spectators, it reveals timidity and suspicion. If we are directing the film, then it indicates our tendency to dominate others. If we are shooting, it indicates that sometimes we act suspiciously.
Dream dictionary: Film dream meanings
If you were watching the film in a dream, then it shows how you value your own life. Perhaps the dream shows that you are revaluing your past and considering about the future.
When you dream of seeing or holding a blade, you are trying to finish something off. There is a possibility that you are trying to make the final decision at some project or personal life. Youve got to think everything through very well, as it seems that the decision is very important for your future. The other meaning of this dream could represent one of the most popular movies: Blade, therefore maybe youve been watching too much of television, because the blades associating with the name of this film.