When Phil Jones is accused of being the Vampire Killer, he is convicted despite his claim of innocence. He is saved from the electric chair at the last minute when the real killer is found, but the ordeal has driven him mad, and once freed, he starts killing people as a vampire would.
Hank Girard loves operating the wrecking ball on the construction site where he works, and he eventually uses it to kill the foreman who always criticizes him.