 His "disgrace" comes when he seduces one of his more vulnerable students, a girl named Melanie Isaacs, plying her with alcohol and other actions that arguably amount to rape; later, when she stops attending his class as a result, he falsifies her grades.Lurie refuses to stop the affair, even after being threatened by Melanie's erstwhile boyfriend, who knocks the papers off Lurie's desk, and her father, who confronts him but whom David runs from.This affair is thereafter revealed to the school, amidst a climate of condemnation for his allegedly predatory acts, and a committee is convened to pass judgement on his actions.