Black Mustang

Castle and Beckett investigate a crime scene that involves a large pool of blood but no victim. Alexis receives news about Stanford.

Stefan struggles to maintain control of his new circumstances, and Elena and Jeremy's uncle, John Gilbert, unexpectedly shows up in Mystic Falls. Stefan exhibits some unusual behavior at the Founder's Day event, and things turn ugly when Damon tries to find out why John Gilbert has returned. Matt and Tyler find themselves in conflict after an incident at the party, and the relationship between Matt and his mom reaches a new low point. Meanwhile, Elena is unable to comfort Jeremy, causing him to take action.

Damon's arrival causes the mysterious stranger to flee, and Damon frees Elena from her overturned car. Damon brings Elena with him to Georgia to see Bree, a witch and an old flame of Damon's, hoping she can help open the tomb to free Katherine.

Hank tries to get the truth about Ashby, and Karen confronts the record producer. Marcy detoxes at her mother's house. Charlie succumbs to temptation.

Hank wants to locate Lew's long-lost first love. Sonja and Julian decide to have an open relationship. Mia spends the day being followed by a Rolling Stone reporter. Charlie's house becomes a set.