Bela Lugosi tries hard here, but he really can't quite hold it all together as the doctor who is indirectly collecting insurance policies held on men who are brutally murdered. We know from early on just who is doing the killing and just who is pulling the strings, so to a certain extent we are just really marking the homework of Hugh Williams' "Insp. Holt" as he investigates the crimes and tries to get to the bottom of things before any more people are killed. His investigation is soon being assisted by the daughter of one of the victims - "Diana" (Greta Gynt) and that brings him to a school f...