This is some stuff for the film-thinking people of you. I stumbled across David Siegel while I was looking for CSS site programming tips. But as I'm involved in writing a more or less intelligent plot for a kind of documentary, I just kept on reading. Especially the two goal structure is quite simple but true. It was new to me. OK I admit, that I didn't pay much attention to film structure stuff before. So here it is. Much more detailed but also nice: Nine Act structure.