'Hell' is the name of the hero of the story. He's a prisoner of the women who now run the USA after a nuclear/biological war. Results of the war are that mutants have evolved, and the human race is in danger of extinction due to infertility. Hell is given the task of helping in the rescue of a group of fertile women from the harem of the mutant leader (resembling a frog). Hell cannot escape since he has a bomb attached to his private parts which will detonate if he strays more than a few hundred yards from his guard.
A genetically re-engineered dog develops a psychic link with a monster created in a lab experiment which goes awry.
Ash is transported back to medieval days, where he is captured by the dreaded Lord Arthur. Aided by the deadly chainsaw that has become his only friend, Ash is sent on a perilous mission to recover the Book of the Dead, a powerful tome that gives its owner the power to summon an army of ghouls.
After several people and a dog are found dead in their closets a "mild-mannered" reporter, a college professor, her son and a befuddled professor band together to uncover the mystery but not without involving the U.S. Army and mass panic.