Rashomon
Actually the first time I've watched this, despite being familiar with the movie and what it's name has come to mean over time. I would say that it's not one of my favorite Kurosawa movies [Ikiru, Seven Samurai, and Yojimbo would probably be my top 3], but it's still a very good movie and the more I think about it and read about it, the more it grows in my mind. At first it seems like almost a simple story, several different witness present their version of the events. But it really reaches its peak when the fourth story emerges and casts a different light over everything. It's also a great story about how people involved with a particularly awful situation can lie, even to themselves, about how it took place, effectively making them untrustworthy witnesses. But, even someone only peripherally involved may taint their version with their own preconceptions, knowledge or lack of it, and personal motives. Which story is the truth? None of them. And all of them. That's the only thing that really makes sense, they all have elements of truth, but we are given no indication as to which is the absolute truth, or even if any of them are.