“Monsters are walking among us”, underlines the voice-over of Dexter Morgan (Michael C. Hall) in the trailer for season 9. Released on September 9, the official trailer of a few minutes confirms that the killer has lost none of his murderous instinct. This one is titillated when the state of New York, where he settled under a new identity, is struck by the crimes of a serial killer. This makes our hero want to return to service, much to the regret of his sister Deb (Jennifer Carpenter), incarnation of his bad conscience: “You are impatient to kill again, you really haven’t learned anything? “. This new chapter, which will also feature Dexter’s son, Harrison, will begin on November 7 on the American channel Showtime.