Synopsis via Vampire Site:

A FAMILY DINNER —
Sheriff Forbes (Marguerite MacIntyre) delivers some disturbing news to Alaric (Matt Davis) and Elena (Nina Dobrev) about the weapon used in a recent murder. In the Salvatore brothers’ escalating quest to kill Klaus (Jospeh Morgan), Stefan (Paul Wesley) turns to Bonnie (Kat Graham) and Abby (guest star Persia White), while Damon (Ian Somerhalder) reaches out to an old acquaintance for help in setting up an elaborate plan. Intent on a plan of his own, Klaus hosts a strange dinner party, where he reveals another story from his family’s violent past until an unexpected guest brings the party to an end. Meanwhile, Caroline (Candice Accola) is heartbroken when she is unable to stop a tragedy from unfolding.