As in the book, there are subtle questions in this movie that any skeptic would appreciate: Why are the priests (those with hundreds or thousands of sides) trying to repress any information about the third dimension? Can mathematical/scientific truth trump accepted dogma? Is the truth accessible only to the elite, or can it be grasped by anyone?
If you haven’t read the book, there’s something very wrong with you. Because it’s brilliant.
If you haven’t seen the movie in question, here’s the trailer: