The movie Detective Kien: The Headless Horror centers on a logical detective who questions a community’s unquestioning acceptance of folklore when a disturbing killing ignites widespread dread. Throughout the course of his inquiry, concealed reasons involving affection, dominance, and retribution come to light, creating an ongoing conflict between reason and faith. Ultimately, the film explores the bravery needed to pursue what is real in situations where anxiety and custom insist on quietness.

Source on TMDB