Set 10 years after Dexter Morgan went missing in the eye of Hurricane Laura, he is now living under an assumed name in Upstate New York, Iron Lake, far from his original home in Miami.
Cast: Michael C. Hall, Jack Alcott, Julia Jones, Johnny Sequoyah, Alano Miller, Jennifer Carpenter, David Magidoff, Clancy Brown, Michael Cyril Creighton, Katy Sullivan, Steve M. Robertson, Dustin Tucker, Armen Garo, Dee Nelson, John Lithgow, Pamela Matthews, Benjamin Breault, Fredric Lehne
The father of the person whom Dexter killed makes a surprising announcement which could prove to be a huge problem for Dexter. Meanwhile, Dexter discovers Harrison was involved in a serious incident at the high school. And now this young newcomer is considered a hero to the entire town. Angela digs deeper into a missing persons case.
The investigation that Dexter has caused is making it difficult for him to make things right with Harrison, who has made a name for himself at school as a member of the wrestling team.
Dexter's cabin becomes home base when a missing person case turns into a crime scene. Meanwhile, Dexter is trying to reunite with his son, Harrison. Dexter struggles to keep his old and new worlds separate.
For the past decade, Dexter has been living a quiet, isolated life far away from the temptations of his past. He's found comfort in a new identity and has assimilated into small-town life as a beloved member of the Iron Lake community. When a local hotshot begins behaving recklessly, and a mysterious stranger seems to be on Dexter's trail, he questions whether he can continue to suppress the murderous urgings of his Dark Passenger.