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 …

Following the disappearance of young Nga, her aunt Miss Moon is unable to persuade the police to act, so she sends a letter requesting help from detective Kiên, a respected judge’s investigator. Upon his arrival and display of official credentials, he immediately creates tension within the close-knit community, where several people could be involved. The situation is complicated further by the village's past—a local …