Bernice "Bernie" Rhodenbarr is a burglar by trade, and she runs a bookstore as well. Her friend Carl Hefler is a dog groomer. After a successful burglary, it's discovered that a dead body was in the house she burgled. As she's the only one who can be placed at the scene of the crime, she has to use her criminal skills to clear her name of the murder AND avoid getting charged with the burglary.

A sinister secret has been kept in the basement of an abandoned Los Angeles church for many years. With the death of a priest belonging to a mysterious sect, another priest opens the door to the basement and discovers a vat containing a green liquid. The priest contacts a group of physics graduate students to investigate it. Unfortunately, they discover that the liquid contains the essence of Satan himself, and they also discover that he will release HIS father - an all-powerful Anti-God! The...