Patrick Gibson as Dexter Morgan in Dexter: Original Sin, streaming on Paramount+, 2024. Photo Credit: Myrna Suarez/Paramount+ with Showtime Paramount+ with Showtime has debuted the official trailer for the highly anticipated prequel Dexter: Original Sin. The 10-episode drama series chronicles America’s favorite serial killer in training. 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 (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. This dark and twisted coming-of-age story also stars Claudia Christian as “Mrs.