Like it or not, Heather Chandler's group--a team of three affluent, stylish, and snobbish young divas sharing the same first name--is the most popular and feared clique in all of Westerburg High School. But enough is enough--now hesitant supporter Veronica Sawyer wants out, despising herself for hanging out with the trio of socially sadistic Heathers. Then, mysterious and effortlessly charming newcomer Jason Dean enters the picture, and just like that, Veronica joins forces with him to appease her newfound conscience and teach the pretty tyrants a lesson. However, there's no such thing as a foolproof plan--at first, it's all fun and games until someone loses an eye. And now there's no turning back. What happens if killer passion ruins everything?