After the gang arrives in a world where magic is real, Bert discovers a natural gift for sorcery, while Kripke finds himself on his friend's bad side. Meanwhile, Stuart must enlist the help of one of this universe's most powerful wizards.

Stuart, Bert, Denise, and Barry Kripke find themselves in what appears to be an ideal and peaceful Earth – that happens to be controlled by a repressive and vicious AI.

After breaking a quantum-interference device, mild-mannered comic book store owner Stuart Bloom must save the universe from imminent destruction.