This episode begins with a flash back to the 15th century when Klaus meets Katherine for the first time. Meanwhile at Mystic Falls, Elena brings Elijah back to life to help them get rid of Klaus' curse without killing Bonnie or Elena. Stefan and Damon are not happy with Elena's choice to trust Elijah. Stefan eventually gives in but Damon does not.
Elijah reveals to Elena that Klaus is his half-brother. He tells Elena that Klaus' entire family were born humans and all mysteriously turned into vampires, making them the originals. When Elijah sees the Salvatore brothers fight over Elena, he thinks back to the time way back in the past when he was in love with Katherine and Klaus hated him for that. He believes history is repeating itself. Elijah claims to know how to break Klaus' curse without sacrificing anyone.
Klaus, disguised in Alaric's body, pays a visit to Jenna. Luckily Stefan was there to stop him from doing anything to hurt her. Jenna finds out that Alaric is really Klaus. Elena goes to tell Jenna everything leaving Jenna in shock. Throughout this episode, Damon continues to pine for Elena, making his hatred for his brother, Stefan, stronger than ever.