Here is a great site with some real treatments. They don’t fit on a napkin like yours should, but they are pretty cool to read:
Here’s one that was WAY too long (I’m not sure how it ever got made into a movie!):
Treatments usually consist of three parts (Acts). They are:
1. Exposition– Set up: where are we, who or what does the audience need to care about?
2. Conflict: this is the situation, the action, what happens in the story. The climax usually happens at the end of ‘Act 2.’
3. Resolution: this is the ‘wrap-up,’ how it all turns out