In the shadowed outskirts of 1980s Greensboro, North Carolina, Caldwell Hill State Hospital looms like a rotting cathedral of medicine, its crumbling green wards hiding experiments never meant for the light of day. When investigative reporter Matthew Rusk begins digging into rumors of missing patients and whispered government funding, he uncovers a secret program where doctors probe the limits of the human mind, attempting to open pathways to something ancient and unknowable. As patients descend into violent madness and the hospital's halls echo with strange symbols, chanting voices, and impossible visions, Rusk realizes the experiments are not creating insanity but awakening it, tapping into a cosmic presence waiting patiently beneath the world. Trapped within the decaying asylum as reality fractures around him, Rusk must confront a terrifying truth: the Green Wards are not a place of treatment, but a doorway, and something on the other side has begun to notice humanity looking back.