If we learned anything from the game-changing season three finale of Revenge, it's that while things might not always go Emily Thorne's way, she gets what she wants in the end. This week, with the release of the dramatic season four trailer and the equally compelling premiere pictures, it seems Victoria Grayson is hell-bent on returning the favor. We all know, though, that taking Emily down is no easy feat. Keep scrolling to see why Emily Thorne is the fiercest saboteur the Hamptons have ever seen.