Malese Jow

Paul begins to suspect that Susan is responsible for his rapidly declining health, and Lynette and Tom butt heads over where to go on their family vacation, as well as which one of them will set it up.

The murder of a high school mean girl draws Castle back to one of his many alma maters, where he is giddy to learn that the evidence points to a surprising perpetrator.

Everyone in town is preparing for the Founder's Day celebrations, but John has a darker plan in store which threatens all the vampires in the area. Elsewhere, Stefan is uncomfortable with Damon's new attitude towards Elena, but she is more worried about repairing her relationship with her brother. Meanwhile, Tyler has a strange experience.

Caroline throws a party for Elena's 18th birthday, but Elena is distracted by thoughts of Stefan, who has been missing with Klaus for several months. Damon is conducting his own search for his brother, but he is not sure that finding Stefan is such a good idea. Meanwhile, Jeremy is struggling as he experiences unsettling visions, Caroline and Tyler face a new and unexpected challenge.

Still in Chicago, Klaus enlists the help of a witch called Gloria to try to discover why his plan is not working. Gloria's spells reveal some intriguing glimpses of the truth but she soon realises she need Stefan to complete the puzzle. Back in Mystic Falls, a new enemy pushes Damon over the brink with devastating consequences, while Caroline struggles with her own emotional issues.