Set in 1991 Miami, Dexter: Original Sin follows Dexter (Patrick Gibson) as he transitions from student to avenging serial killer. When his bloodthirsty urges can’t be ignored any longer, Dexter must learn to channel his inner darkness. With the guidance of his father, Harry (Golden Globe® winner Christian Slater), he adopts a Code designed to help him find and kill people who deserve to be eliminated from society without getting on law enforcement’s radar. This is a particular challenge for young Dexter as he begins a forensics internship at the Miami Metro Police Department. Patrick Dempsey, Molly Brown, James Martinez, Christina Milian, Alex Shimizu, Reno Wilson and special guest star, Sarah Michelle Gellar also star in this new series, with Michael C. Hall returning to voice the iconic inner monologue in Dexter Morgan’s head.