The Vampire Diaries “The Murder of One” Season 3 Episode 18 March 29, 2012 News, The Vampire Diaries The Vampire Diaries “The Murder of One” Season 3 Episode 18 airs Thursday March 29 at 8:00 PM on The CW. Episode Synopsis: The present-day murders in Mystic Falls remind Damon of a similar crime spree a century earlier. In flashbacks to 1912, Damon recalls a beautiful vampire, Sage (guest star Cassidy Freeman), who showed him a whole new way to exist. Sheriff Forbes warns Damon not to get involved in her investigation, but Damon is convinced she’s going after the wrong suspect. Elena and Matt resort to breaking and entering in their search for evidence to prove Dr. Fell (guest star Torrey Devitto) is a murderer. For reasons known only to her, Rebekah (guest star Claire Holt), becomes interested in locating one of the town’s oldest landmarks. Finally, Elena comes to a new understanding of the path her life has taken, and Damon makes an emotional confession to Stefan. John Behring directed the episode written by Julie Plec & Elisabeth R. Finch. Click Any Photo Below To Enlarge (Photos: Courtesy of The CW) Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)