Miami Metro is just one step away from discovering the identity of the Trinity Killer. And Dexter can't let that happen. Dexter must take drastic action to buy himself time to deal with Trinity in his own fashion. Arthur, who still can't understand why Dexter didn't simply turn him in, begins his own bloody investigation into Kyle Butler.
Elenco: Michael C. Hall , Jennifer Carpenter , David Zayas , James Remar , Lauren Vélez , C.S. Lee , Desmond Harrington , Julie Benz , Erik King , Geoff Pierson , Aimee Garcia .