Revenge Preview Clip: Emily Sobs While Digging a Grave in Episode 21, "Grief" (VIDEO) Tweet May 15, 2012 by Wetpaint Entertainment Staff Related: Revenge, Sneak Peeks , Emily Thorne , Season 1 Episode 21 Credit: ABC Emily Thorne is usually a cold-hearted avenger, but her emotions boil over as she digs a grave on the beach. But for whom? Revenge Season 1, Episode 21, "Grief," airs Wednesday, May 16 at 10 p.m. ET on ABC.