what....WHAT?!?!? Is your membrane so far gone into the insane?!?! Children of Men is sheer fucking brilliance! What do you mean no plot? It's the size of a small fucking planet! Babies stop being made, idealist finds pregnant woman and tries to ship her to safety in a world gone mad! Seriously, that movie is bow string taut! It's proper tense and smart stuff. Not sure what else you really want out of a movie.
Single-concept movies are usually just that.
Orson Welles has a lot to answer for ...