Makers of Dexter: Original Sin dropped the first teaser of the upcoming prequel series on Thursday, offering a glimpse into the origin story of the serial killer.

Dexter: Original Sin is set to premiere on Paramount+ on December 13, followed by a television debut on December 15.

The 30-second teaser introduces viewers to young Dexter Morgan (Patrick Gibson), his father Harry (Christian Slater) and also brings back Dexter’s original star Michael C. Hall, who reprises his role as the inner voice of the young serial killer in training.

Joining the cast are Patrick Dempsey, Molly Brown, James Martinez, Christina Milian, Alex Shimizu, Reno Wilson and special guest star Sarah Michelle Gellar.

According to the official synopsis, in Dexter: Original Sin, the story rewinds to 1991 Miami, where a young Dexter begins his journey as a serial killer. The series explores Dexter’s early struggles with his violent urges and how he learns to channel his inner darkness. Guided by his father, Dexter embraces a ‘code’ that directs him to target and eliminate individuals who he believes should be removed from society, all while avoiding detection by the authorities.

Clyde Phillips, the showrunner for the first four acclaimed seasons of the original series, returns to helm Original Sin. Executive producers for Original Sin include Scott Reynolds, Mary Leah Sutton, Tony Hernandez and Lilly Burns. Robert Lloyd Lewis is producing, while Michael Lehmann serves as the directing executive producer for the show.