Sneak Peek the synopsis from Season 4, episode #18 of "The Vampire Diaries", airing March 28, 2013, titled "American Gothic", written by Evan Bleiweiss/Jose Molina and directed by Kellie Cyrus :
"...'Elena' (Nina Dobrev) and 'Rebekah' (Claire Holt) take off in search of 'Katherine' (Dobrev), finding themselves in a small town in Pennsylvania, where Elena has a surprising encounter with old acquaintance 'Elijah' (Daniel Gillies).
"'Stefan' (Paul Wesley) and 'Damon' (Ian Somerhalder) are concerned about Elena’s state of mind, determined to do what’s best for her, but she will makes it clear that helping her is going to be difficult.
"Damon is not sure how to react when Stefan reveals his unexpected plan for the future. Then in 'Mystic Falls', 'Klaus' (Joseph Morgan) receives help from 'Caroline' (Candice Accola) , with a new respect for the power of 'Silas'..."
Set in a small town haunted by 'supernatural beings', the main thrust of the series is the love triangle between 'Elena Gilbert' (Dobrev) and the vampire brothers 'Stefan Salvatore' (Paul Wesley) and 'Damon Salvatore' (Ian Somerhalder) :
"...teenage 'Elena' falls deeply in love with young-looking, 162-year-old vampire 'Stefan Salvatore'.
"Their relationship becomes increasingly complicated as Stefan's vicious and malevolent older brother 'Damon Salvatore' returns with a plan to wreak havoc on the town and a revenge against his younger brother.
"Both brothers begin to show affection towards Elena, because she is a descendant of 'Katherine', who returns with plans against the trio.
"Some of the founding families of Mystic Falls include the 'Salvatores', the 'Gilberts', the 'Fells', the 'Forbes' and the 'Lockwoods', who guard the town from vampires, werewolves, witches, ghosts and 'hybrids'..."