Thanks to Jim Vadeboncoeur, Jr for art IDs throughout. There's a possibility that William K. Friedman is the same person as Bill Friedman, an owner of Youthful Comics, but so far there's no connection between the two.
A doctor and a mortician work together to kill people with the doctor poisoning the victims and the mortician selling coffins to the grieving families. After their partnership falls apart, the mortician turns on the doctor but he himself is attacked by the corpse of one of his victims.
Three robbers rob a vault and take the loot back to their hideout. The entire police force is trying to regain the "priceless" stolen loot. It turns out, it was the city's blood supply and the robbers are vampires!