While Tessa and Lucian were away for the evening, trouble was brewing. At school Mark had seen Mr. Knight with his friend. He felt a mix of betrayal, since she's one of his closest friends, and jealousy, because she has his attention. How could she do this to him? He needed Mr. Knight's help to get him into art school. His future should trump a fling with a teacher. But maybe he was wrong about Tessa. She hadn't wished him a 'Happy birthday' or been on the bus lately. Tessa knew how much he liked Steph and had counted on her being his wing-woman. Making-out with a young, hot teacher was one thing but when Mark saw them leave together before school ended, he felt obligated to tell the principal. What if Mr. Knight was taking advantage of his students? In the pit of his stomach he knew