With help from Elena and Bonnie, Alaric tries to decipher the meaning behind his recent discovery. Elena and Rebekah (recurring guest star CLAIRE HOLT) engage in a mean-girl power struggle, until Rebekah finally reveals some of her family's ancient secrets and the violent past she shares with Klaus and Elijah (recurring guest star DANIEL GILLIES). Damon tries a reckless new approach to make a breakthrough with Stefan, and they're both surprised by an unlikely ally.
