StarECentral sums up the plot of ROTK [so, OK, spoilers] but also has a few nice quotes from PJ about what he aimed to achieve with the third film. [More] Thanks to Lee for the link. Here’s the not-spoilery bit from PJ: “As the story gets bigger and the stakes get higher, the intimacy of the storytelling and emotions get tighter and smaller, until you end up with two beings literally on their hands and knees, struggling to defeat an enormous evil. Yet, instead of wrath and revenge, they have to look inside for forgiveness, for in forgiveness there is redemption, not just for a handful of characters, but for all people. There is tremendous value to standing together for a common cause at times of great risk and looming destruction.