This document provides a treatment for a teaser trailer for the horror film "Dying Leaves". It begins with a news report on the anniversary of the "Lime Park Killing" of 2002. The trailer will then show the killer in a dimly-lit room viewing clippings about the killing. It will introduce three friends who go to the park after daring each other. They hear sounds and separate, with one friend finding another dead with the killer's symbol. The surviving friend is then chased by the killer but fights back and kills them. The trailer aims to include horror film conventions like the "final girl" survivor and build tension with sounds and dark cinematography to target a 15+ audience.