It is an assembly that goes around to schools nation wide and talks about Racheal Scott. She was the first to die in that school shooting. Well post mortum (sp?) they found out that she really wanted to make an impact on the world. She wrote about this theory that you could start a "chain reaction" by being nice. You can visit thier website to learn more. Her theory is very similar to the movie "pay it forward" which may have been inspired from this event.