When an impulsive decision by Damon threatens to unravel a carefully negotiated deal between Stefan and Lily, he has no choice but to make amends with his mother before things spiral further out of control. However, Lily remains one step ahead and carries out a harsh plan that hits Damon where it hurts most. Elsewhere, after returning to Whitmore College, Alaric turns to Bonnie for help with a mysterious and potentially dangerous artifact he has obtained, while Matt is forced into making a risky life or death decision. Meanwhile, Caroline, who finds herself a pawn in Lily and the heretics' plan for retribution, uncovers a shocking detail about Stefan's past. The Vampire Diaries is an American supernatural-fantasy horror television series developed by Kevin Williamson, based on the book series of the same name by L. J. Smith. The series follows the life of Elena Gilbert (Nina Dobrev), who falls in love with vampire brothers Stefan (Paul Wesley) and Damon Salvatore (Ian Somerhalder). The series also focuses on the lives of Elena's friends and other inhabitants of the fictional town of Mystic Falls, Virginia, including Bonnie the witch, Tyler the werewolf, and Caroline the vampire. The series is a mix of teen drama and the supernatural.