Given Sharp

In the season premiere, Damon is forced to navigate his new reality without the love of his life. Stefan takes an active role in protecting the town from Lily (Annie Wersching).

Alec tries to understand his metamorphosis into Swamp Thing.

Driven to cure the worsening epidemic in Marais, Abby searches Alec's lab for a cure when her friend, Harlan, becomes stricken with the "green flu"; Swamp Thing uses his strange new powers to intervene, but he is desperate to find his humanity.

Swamp Thing senses a growing darkness within the swamp and starts to understand his role in the struggle for balance between growth and decay; Abby must accept that the things she has witnessed in Marais are evidence of supernatural forces at play.

Haunted by the ghost of her childhood friend who re-emerges from the swamp, Abby is forced to confront both her past with the Sunderlands and the dark forces at play in Marais.

Still reeling from the revelation of the truth behind his existence, Swamp Thing goes on the offensive against Ellery's mercenary team hunting him; Abby comes up against Jason Woodrue, who has crossed the line to save his wife's life.