Warning! This article contains SPOILERS for Dexter: Resurrection season 1, episode 9.Dexter broke a promise he made to Harrison in Dexter: Resurrection, and he did it after just a few episodes. Dexter and Harrison's relationship has been a key part of Resurrection since the beginning. The father and son have only recently started to trust each other again, and it's partly because Dexter has made some big changes to his serial killer lifestyle.