Vendetta is reading her magazine revolving around evil. Charlotte comes and fills out a magazine quiz and gets the rank "super evil". Vendetta only got "mostly evil" and has find out what makes Charlotte "super evil."
Mr. Milk has a crush on Ms. Minty, but he does not know how to talk to her. Charlotte gives him an apple because he is the "best teacher in the whole world". Vendetta decides to give him an evil wig that makes all of his dreams come true, but only if he destroys Charlotte.
To remind everyone how powerful she is, Vendetta erects a giant statue of herself. To keep Charlotte away from her statue, she creates some exploding pigeon fiends which eventually think Vendetta is their mother.
Vendetta wants to protect all her favorite places from Charlotte, so she uses her "fiend multiplier" to multiply her guard dog fiends. However, Charlotte finds a way to take care of all the fiends - multiply herself.
An advertisement for Clamburg's onion stand; Charlotte and Vendetta share their versions of the day with their day journals or diaries; Charlotte sings about why she loves Clamburg; a tourism advertisement for Clamburg, sabotaged by Vendetta.
Vendetta's house got invaded by termite fiends she made to destroy Charlotte, so her house will be tented for three days. Vendetta decides to move in with Marion, just as she is about to leave Clamburg forever.
Vendetta makes a tornado fiend to destroy Charlotte's house, but unintentionally attaches it to her own house. Charlotte's antics eventually drive Vendetta insane. Meanwhile, Grudge ventures through harsh environments to get back home.
A commercial for giant pet supplies runs; Charlotte dreams about a world made out of cheese with her "best friend" Vendetta, which destroys later; Charlotte imagines if she lived on the moon, while Vendetta points out the downsides.
Charlotte wants Vendetta to make a pony for her, so she makes a giant pony fiend. It rampages through Clamburg and terrorizes the citizens. Vendetta is happy until everyone hides in her house for safety, so she must get rid of "John" the female pony if she wants to get back in her own house.