Vicki recovers in the hospital from an attack and begins to remember what happened, but Stefan tries to prevent her from recalling what actually occurred. Meanwhile, Elena meets Damon, who reveals to her some surprising secrets about Stefan's past; and Jeremy struggles with his feelings for Vicki.

Stefan escorts Elena to the town's annual Founder's Party where Damon tells her a surprising story about his family's past. It prompts Elena to ask Stefan questions he refuses to answer and forces him to take action against his brother.