Founded in the early 20th century as a segregated, all-Black psychiatric hospital, Crownsville was plagued by overcrowding, abuse, and rumors of horrific experiments—now condemned and crumbling, it draws the attention of detective Mike Simms and journalist Paul Blair after a mysterious death is ruled a suicide, leading them to uncover the haunting truth of the terror once inflicted there and their own ties to the restless dead still trapped within its walls