S7, E5: After realizing the downward spiral he was on, Damon decides he's going to turn over a new leaf and that his actions moving forward will do right by Elena. Lily (recurring guest star ANNIE WERSCHING) prepares for the arrival of a special figure from her past, while Enzo stands by not sure what to expect. Elsewhere, at Caroline's urging, Stefan comes face-to-face with Valerie (ELIZABETH BLACKMORE) and learns some upsetting details about her past, while Enzo and Bonnie find themselves at odds when they're forced to fend off a violent threat. Finally, when Bonnie learns some disturbing information involving the Phoenix stone, she is forced to confront Alaric.