Dexter: Original Sin episode 1 ending explained: What happened to Junior

Harry Morgan (Image via Youtube / Dexter on Paramount+ with Showtime)
Harry Morgan (Image via Youtube / Dexter on Paramount+ with Showtime)

The highly anticipated Dexter: Original Sin episode 1 premiered its first episode on December 13, 2024, on Paramount+ with Showtime. The show is a prequel to the popular Dexter series and takes viewers back to 1991. It introduces a 20-year-old Dexter Morgan at the beginning of his career in forensics at the Miami Metro Police Department.

The episode sets up a dramatic story about the Morgan family's hidden secrets. In the first episode, Dexter struggles with his uncontrollable bloodthirst, which forces his father, Harry Morgan, to reflect on his parenting decisions and the infamous Code of Harry. The episode also surprises viewers by introducing Junior Morgan, a character no one knew about before.

Junior was Harry's first son, and the flashbacks reveal that Junior died as a child in a tragic incident that haunted Harry throughout his life. This revelation redefines the motivations behind his adoption of Dexter. Junior's story plays an important role in understanding the Morgan family and their emotional struggles.


Dexter: Original Sin episode 1 introduces Dex's late elder brother

Dexter Morgan (Image via Youtube / Dexter on Paramount+ with Showtime)
Dexter Morgan (Image via Youtube / Dexter on Paramount+ with Showtime)

In an unexpected twist, Dexter: Original Sin episode 1 revealed Junior Morgan, Harry, and Doris Morgan's first biological son. He drowned in the family's swimming pool when he was five or six years old. The incident that happened around 1972 or 1973 devastated the couple, leaving a permanent scar on their lives.

The flashback unfolded as Harry recalled watching a football game while calling out to Junior, who suddenly stopped responding. He quickly went outside and found his son at the bottom of the pool. Despite Harry's attempts to save him, Junior didn't survive.

The scene transitioned to Doris arriving home to see their son's body being taken away, causing a moment of immense grief for the Morgan family. The introduction of Junior's character raises significant questions about the family's past. In the original series, Dexter and Deb never talked about Junior, suggesting Harry and Doris may have chosen to bury the painful memory.


Dexter: Original Sin episode 1: Junior's death added to the reasons for Harry to adopt Dex

Dexter Morgan (Image via Youtube / Dexter on Paramount+ with Showtime)
Dexter Morgan (Image via Youtube / Dexter on Paramount+ with Showtime)

Harry's initial motivation for adopting Dexter stemmed from guilt over Laura Moser's murder and Dexter's traumatic childhood. However, Junior's death added another layer of emotional complexity.

With the adoption of Dexter in 1973, Harry sought redemption for failing to save his biological son. Dexter represented a second chance for him and Doris to fill the void left by his first son's untimely death.

Junior's death left Harry in guilt, and that ultimately influenced how he raised Dexter. Since he couldn't protect his late son from drowning, he made a plan to "save" Dexter from his dangerous urges by teaching him the Code of Harry. This set of rules was meant to help Dexter control his violent impulses. Harry created the code out of fear of failing again and causing more tragedy.

Harry's actions showed his attempts to bring back the family togetherness and direction after Junior's death. His effort to teach Dexter how to manage his impulses depicted the lingering impact of Junior's death on his parenting decisions as it blended grief with hope for redemption.


Dexter: Original Sin episode 1: Was Harry's death a heart failure or suicide?

Harry Morgan (Image via Youtube / Dexter on Paramount+ with Showtime)
Harry Morgan (Image via Youtube / Dexter on Paramount+ with Showtime)

The original Dexter series revealed the shocking truth behind Harry Morgan's death. He overdosed on heart medication because he couldn't handle the burden of his choices and the guilty feelings after seeing Dexter cut up a victim.

Dexter: Original Sin episode 1 explored Harry's guilt further by focusing on Junior's death. His realization that he couldn't save both his sons was too much for him to handle. Harry's suicide reflected his overwhelming remorse and his fear of causing further harm to Debra.

The first episode made the Morgan family's story more emotional and complicated by linking Harry's past struggles with the events of the prequel. Learning about Junior's death helped explain his actions and highlighted the far-reaching impact of grief and guilt on his fateful choices.


Fans can stream Dexter: Original Sin episode 1 on Paramount+.

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Edited by Riya Peter
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