Featuring six intertwining stories spanning centuries and mixing genres, "Cloud Atlas" may very well be one of the most ambitious and engrossingly complex films you'll ever see. Then again, it demands such a commitment of time and mental energy from its audience that it simply may not be worth the investment for those unwilling to expand their way of thinking.
The theme is simple, really: we are all connected. With that in mind, the directorial decision to use the same…