The young journalist, following the trail of a missing friend who had experimented with mind-altering drugs, finds himself entangled in a dangerous world of covert government research and the enigmatic origins of a mysterious interference signal. Assisted by a rogue counterculture writer, inspired by The Silence of the Lambs, he delves deeper into the eerie depths of forbidden knowledge, uncovering the sinister truth behind CIA-run clandestine programs. In a fast-paced blend of reality and imagination, Banshee Chapter draws from real-life accounts, the confessions of actual test subjects, and the uncovered secrets of covert operations to create a chilling horror film unlike any other.