Heather Duke wishes many times for Heather Chandler to die and thanks God when she finally does.
After Heather Duke embarrasses her, she wears black.
It's smoke, and it's flames now.
Veronica runs into the bathroom to stop her, after a brief talk the two decide to skip the rest of the school day and go shopping.
She, along with others, bully until she attempts suicide and using her newfound influence to get students to sign a petition wrote up by.
Heather Chandler is extremely cruel to Heather Duke and bullies her quite often throughout the film which creates a lot of rage within her.
Three boys in the clique are bullies and one is good.
Heather Chandler appears to trust Heather McNamara enough to make several requests of her throughout the film and allowing her to join the Heathers.