Dexter wakes up after a coma and meets Batista, he knows the truth about the Bay Harbor Butcher. Dexter escapes from the hospital and begins searching for his son, Harrison, in New York.
Dexter attends a mysterious gathering, hosted by a highly influential figure with macabre ambitions. Harrison continues to struggle with mounting guilt and pressure at work, just as Angel Batista arrives in New York City.
An encounter pushes Harrison further into his own darkness, escalating his fear of arrest. Meanwhile, as Batista closes in, Dexter pursues a dangerous connection with a seductive killer, believing they operate under a similar code.
As Dexter closes in on a narcissistic murderer, Harrison faces a crisis of identity while trying to find his place in the world. Meanwhile, Batista pursues the connection between the Bay Harbor Butcher and the recent killings in NYC.
At a remote retreat hosted by Prater, Dexter discovers unsettling information about Gareth. Meanwhile, Harrison contemplates his future and his growing sense of justice driven by Elsa's struggles with her abusive landlord.
Dexter redirects his attention as a way to step up as a father. Claudette digs into Miami Metro's tumultuous past, inching closer to the truth. Meanwhile, Prater uncovers information that could put Harrison in serious danger.
Prater and Charley reveal they know a critical piece of information, forcing Dexter to go to extreme lengths. However, as Dexter attempts to set up a meeting with Prater, Harrison finds himself further entangled.
Charley's allegiance to Prater is pushed to its limit, forcing him to make a choice. Dexter and Harrison find themselves in a final confrontation, facing the consequences of their darkness.
