石门庄园里正弥漫着一种恐怖的不祥感,作为不良少年收容中心,这里聚集了许多危险的人。果然不久就发生了一起少年企图枪杀监护者的意外事件,所幸无人伤亡。然而,与此同时一位神秘的访客就没那么幸运了——他在庄园宅邸的另一间屋子里被枪杀了。
Private eye Slim Callaghan is summoned to the country home of a Colonel Stenhurst, but the latter is murdered before he can talk to the detective. Was one of the Colonel's three daughters responsible?