 The first season brings the heroes together when Rachel's demonic father Trigon (Seamus Dever) arrives on Earth to conquer it and bring Rachel home.The second season picks up three months after Trigon's defeat and the Titans become public prompting an old enemy of the original Titans - Slade Wilson / Deathstroke to emerge hence bringing Dick's old friends Hank Hall / Hawk (Alan Ritchson) and Dawn Granger / Dove (Minka Kelly) back to the field to help the new Titans fight Deathstroke.They are also joined by Rose Wilson (Chelsea Zhang), Slade's rogue daughter.