Patty's rival Monica throws a party but doesn't invite Cathy. Patty gets Cathy invited but at the expense of losing Richard on a date to Monica, so Patty decides to skip the party. That is until she learns that a musical group needs a lead singer and there is a possibility of a record deal at the party.
Richard's parents leave for a week so Patty invites him to stay at the Lane house while they are gone. Things seem to be going okay until some of Richard's actions begin to rub some of the family members the wrong way.
A friend suggests to Cathy that the Lanes wouldn't stop her from becoming an exchange student because she has worn out her welcome there. So Cathy decides to prove her friend wrong by signing up for the program.
To teach Patty a lesson, Cathy encourages the family to trick Patty into thinking she has psychic abilities. After Patty starts giving readings to her classmates an actual psychic takes interest in her abilities.
When Martin thinks that Patty doesn't follow through with her chores, she reinforces that belief when she fails to make a bank deposit for him. He decides to teach her a lesson but ends up having the tables turned on him.
Patty and Ross buy three kittens from a neighborhood kid but before they can sell them for a profit they lose track of each cat. One by one, Cathy, Martin and Natalie each find one of the cats. And they all want to keep one for themselves!