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.

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.