Kathryn Merteuil takes fresher, Cecile Caldwell under her wing, promising to turn her into a model student like herself. Her real intention, however, is to take revenge on Court Reynolds, her ex-lover who had dumped her for the "innocent little twit", Cecile. She intends to corrupt Cecile by getting her to sleep with as many men as possible, thereby destroying her reputation and teaching Court a lesson.