S3, E17: A century after their first encounter, Damon and Sage (recurring guest star Cassidy Freeman) meet again at the ceremony to kick off the restoration of Wickery Bridge. Damon is surprised to learn the reason why Sage has returned, and pleased when she devises an unusual method to help him figure out what Rebekah (recurring guest star Claire Holt) is up to. Abby (recurring guest star Persia White) is having a hard time adjusting to her new reality, despite Bonnie and Caroline’s efforts to help. When Damon informs Elena of Stefan’s latest struggles, she reaches out to Stefan to help her save a friend in danger, in hopes that it will help bring Stefan even closer to his humanity. Finally, when Damon discovers a new secret weapon, he lets Stefan in on the news.