John Charles Meyer

In order to get through to Lily (recurring guest star Annie Wersching) about Julian's (recurring guest star Todd Lasance) manipulating ways, Stefan and Damon confront their mother with painful memories from their childhood. However, when Lily reveals a dark secret she's been harboring for over 160 years, Stefan and Damon are left questioning everything they've ever known about their family. Determined to prove himself to Lily, Enzo comes face to face with Julian and challenges him to a duel, but an unexpected twist threatens to complicate things. Elsewhere, Matt finds himself in the middle of a deepening mystery involving the residents of Mystic Falls, and Caroline's world is turned upside down when Valerie (recurring guest star Elizabeth Blackmore) reveals some life-changing news to her.

Despite Mike's good intentions, he adds fuel to the fire when he finds himself caught in the middle of a fight between Molly and her family.

Christy and Bonnie are shocked when they discover how prison has changed their friend Regina (recurring guest star Octavia Spencer).

After Bonnie's relapse, the women from her AA meeting rally around to help her through withdrawal from painkillers, but Christy wants no part of it.

After NCIS Agent Bishop is sent to Gitmo to gather evidence for a Navy chaplain murder case, she questions her previous work at the NSA. Also, Bishop's brothers, John and Robert (Jesse Bradford and Jesse Johnson), visit for the Thanksgiving holiday and pester her co-workers to find out who she is dating.