Through various flashbacks, Stefan and Damon recall the occurrences that would lead to their vendetta. Things go south when Bonnie goes on a date with Ben. Damon’s old friend returns to Mystic Falls.

Stefan, Elena and Damon attend the Sock Hop School Dance together while the brothers investigate in an attempt to find the new vamp in town. Matt finds work at the Mystic Grill.

Damon goes to Georgia to meet up with someone who he believes can help him open Katherine’s tomb. Stefan attempts to help Bonnie while Jeremy meets a girl with her own interesting theories.

Stefan and Damon search for the new vamp in town, while Elena uncovers one of Stefan’s deep secrets.

Damon’s plan begins to unravel as we learn the truth as to why he’s in Mystic Falls. A curious new teacher arrives on campus.

Damon gets Caroline to throw Stefan a birthday party in an attempt further his “diabolical” plan. Lexi, an old friend of Stefan, surprises him on his birthday.

Vicki comes to terms with being a vampire while Stefan tries to guide her along. Damon and Bonnie clash as Damon tries to get his medallion back.

Elena and Stefan talk about all the explained mysteries that has recently occurred in Mystic Falls. The history between Damon and Stefan becomes more clear.

Jeremy and Vicki begin to take their relationship to a new level. Bonnie is shocked at the development of her new found powers. Elena confronts Stefan about his past.