駭人命案事件簿第十五季是由Alex Pillai 執導，內爾·德貞 杰森·休斯 伊蓮諾·布羅 凱瑞·福克斯 拉奎爾·卡西迪 主演的一部歐美劇。主要講述了：When Bentham DeQuetteville falls to his death from a roof after seeing a headless horseman, his arisWhen Bentham DeQuetteville falls to his death from a roof after seeing a headless horseman, his aristocratic family seem more concerned about their forthcoming Civil War re-enactment than the incident. As Barnaby and Jones try to find out the truth behind the ghostly figure, their investigation uncovers shocking secrets about the DeQuettevilles.