It's a really old novel and relatively old movie, but it's a must watch. The original purpose of the story was to help people understand higher dimensions according to mathematics, but it's also a great criticism of society. The depiction of woman as one dimensional beings is a great reflection of the Victorian Era mindset people had and for the most part it's still alive and well. Of course this goes both ways as we know today.

Flatland The Film: Official HD Version - https://www.youtube.com/watch?v=avMX-Zft7K4