An American grandson of the infamous scientist, struggling to prove that his grandfather was not as insane as people believe, is invited to Transylvania, where he discovers the process that reanimates a dead body.
A psychiatrist with intense acrophobia (fear of heights) goes to work for a mental institution run by doctors who appear to be crazier than their patients, and have secrets that they are willing to commit murder to keep.
In 1920s Soviet Russia, a fallen aristocrat, a priest and a con artist search for a treasure of jewels hidden inside one of twelve dining chairs, lost during the revolution.
Mel Brooks brings his one-of-a-kind comic touch to the history of mankind covering events from the Old Testament to the French Revolution in a series of episodic comedy vignettes.