In the aftermath of a clever plan orchestrated by Lily, Damon sets off on a road trip with Bonnie and Alaric in search of leverage they can use against his mother. Meanwhile, Caroline, who is being held hostage by the Heretics, learns some shocking information about Valerie's past, while Stefan learns a few unexpected details about his own past from Lily. Finally, Alaric turns to Bonnie for her help after coming clean about a secret he's been keeping. 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.