Gretchen explains the rules of the lunch table to Cady. The rules cover how each member of The Plastics should behave and dress on different days of the week. If an individual doesn't follow the rules, then that person will not be able to sit with The Plastics at lunch that day.

Phoebe is offended by Rachel's embarrassment of how she runs.

Rachel forces herself to look like she is a smoker so she could fit in with her boss and become a favorite.

Eddy decides to not follow the rules and tries to convince the other kids in the cul-de-sac that they don't need to either. Initially, they express fear and doubt, but soon they follow suit.

During detention, a group of high school students debate about motives behind participating in school clubs.