A member of the board of directors of Hobbs clock company, Atkins, convinces a crazy old clock-maker to build booby-trapped clocks to kill the other members of the board (who are guilty of "killing time"--murderers, the madman figures) so that he can control the company. Batman stops him and fights a climactic battle against the madman in a clocktower rigged to explode. The moral:
People who waste valuable time are really enemies of mankind. Think of all the fine cures for disease and inventions that might be found if they made use of their precious time! It's worth thinking about...