He is making this Chinese period film based on a famous battle in China thousands of years ago, when China wasn't united and in warring state. I don't know the story too well in details but the battle is famous for it's smart tactics. It's poignant for its timing with the US war on Iraq now. Winning battles and wars is by brain powers, just as important or even more than man power. This film will be intense John Woo is known for making fims about male friendships and loyalty and male bondings.