nothing much happens... a lot like life
i just watched this movie on late night tv (abc 7 chicago). It's amazing how accurately it portrays people in the company of complete strangers. The part at the end where the cab driver is talking to the architect about how he could all he could say to the girl who got raped was how sorry he was was perfect. I've had that conversation myself a few times in life about something I regret not being able to do anything about.
Nothing really happens in the movie, but there is a world outside of that cab where things do happen. It may not have much going on on-screen, but the acting is good enough to make the movie credible and interesting.