The finale of Dexter: Original Sin titled “Code Blues” definitely delivered an intense and dramatic conclusion to the season, featuring explosive twists that kept fans on the edge of their seats. As Dexter faces a critical choice between saving his son Nicky and chasing down Spencer, the episode dives deeper into Dexter’s past, revealing layers to his character that fans hadn’t fully understood before.
The emotional stakes rise when Dexter chooses to save Nicky, shooting a flare to call for help and ensuring his son’s rescue by authorities, all while Spencer continues to be a dangerous threat. The dramatic showdown reaches its peak when Dexter tracks Spencer to his ex-wife’s estate and learns that Nicky’s true parentage lies in an affair between his mother and her current husband. Despite this shocking family revelation, Dexter eliminates Spencer in a final confrontation on Camilla’s boat, ending a significant threat in his life.
Meanwhile, the investigation into Barb’s murder takes a dark turn when Harry, Dexter’s adoptive father, uncovers the connection between Barb and Brian Moser. This insight into Brian’s obsession with Dexter adds layers of complexity to the story, as Brian’s escape signals a future confrontation that will certainly shape Dexter’s journey.
The episode ends with a rare moment of peace for Dexter, as he shares a meal with Harry and Deb. In a touching moment, Deb reveals that she’s decided to leave her scholarship and pursue joining the police academy, marking a new direction for her character. The closing scene, where Dexter and Deb dance together, highlights a sense of familial warmth and unity, despite the dark world they inhabit.
The final shot, however, leaves a lingering sense of tension with Brian watching from afar, still an outsider to Dexter’s world, but very much present in the story’s future. The finale promises that the revelations and challenges Dexter faces are far from over, setting up an exciting continuation for the next season.