Marc Hill is the attorney for Emmet Devrey, a real estate developer with a past, who is being blackmailed by his former partner Sam Baggett. When Sam's unfaithful wife Marge cooks up a scheme with her used car salesman lover Jeff Calder to bilk both Devrey and her alcoholic husband, Sam is killed and Devrey is accused of the crime. Mark is called to prove his employers innocence.
Prof. Millard pretends to be dead and helps Jeff King ferret out Vulcan, the evil traitor at the science academy. Donning his Rocket Man costume King goes from one hair raising rescue to the next in order to keep the newly invented Decimator out of the clutches of Vulcan and his minions.
A criminal mastermind known as The Crimson Ghost is out to steal a device called the Cyclotrode, which can short-circuit all electrical current on the planet.
