A new history teacher arrives, Alaric Saltzman, to replace Mr. Tanner. Jeremy notices his ring, which resembles one worn by vampires. Jeremy introduces his new teacher to Jenna, who then becomes infatuated with Alaric. Alaric asks Jenna to invite him into her home, but she refuses after realizing Jeremy is there. When Bonnie is having dreams about her ancestor Emily, the girls decide to hold a séance, enabling Emily to possess Bonnie. Meanwhile, Damon reveals the reason he really came back to Mystic Falls: to resurrect Katherine with the help of the crystal that Katherine gave to Emily on her last day alive.