We now know that a new witch will be in Mystic Falls very soon. Greta Martin will make her debut in episode 19 of "The Vampire Diaries", but who will she ultimately side with? According to TV Guide it's still up in the air.
What's coming up on Vampire Diaries? — Melanie
ADAM: Perhaps you've heard that a new witch named Greta is on her way to Mystic Falls? Well, I'm hearing that Katherine is hoping that her old friend can help her retrieve the moonstone and break the curse. Greta, whose family tree of course overlaps Bonnie's, won't exactly jump to her aid though.