The Vampire Diaries - Season 2 Episode 8 -

After the masquerade, Elena is abducted to a stately, desolate country estate by the ancient vampires Trevor and Rose. Jeremy is the first to notice her absence, so Stefan sets out on a rescue mission with Damon after Bonnie magically locates Elena. Tyler realizes Caroline is a supernatural too, but doesn't figure out the exact truth. The Salvatore brothers arrive after the ancient duo has welcomed Elijah, one of the original vampires, who concludes a gruesome deal.