The document provides three potential thriller film ideas and discusses some potential problems or challenges with filming each idea. Idea One involves two girls drugged in a deserted field who are stalked by a killer. Idea Two involves a group of teenagers camping in the woods where a girl is stalked by an unseen figure. Idea Three involves a girl having a psychotic episode where she finds herself in different isolated locations. Each idea is followed by considerations of logistical and technical challenges of filming in the proposed locations.