Damon realizes Elena is in danger and enlists Stefan's help to find her.
The brothers pay a visit to Aaron, and Damon shocks Stefan by revealing
his first-hand knowledge of Aaron's family. In an attempt to stop
Damon, Dr. Wes unleashes his secret weapon, forcing Damon to deal with a
part of his past he thought was gone forever, as well as the
consequences of his decades-long plan for revenge. Meanwhile, Elena is
horrified by Dr. Wes' confessions about the dark history of Whitmore
College and his own ultimate goal. Finally, a frantic Katherine turns to
Matt for help, ...
