After a failed marriage proposal, Dexter attempts to convince Rita that he wants more than a financial merger and fatherhood. He wants a family with Rita. Deb lands a new case. Miguel’s brother, Ramon, is dead set on finding Oscar’s murderer, which worries Dexter and Miguel.
Dexter encounters a fellow predator - but this one is a pedophile; a murder is pinned on Freebo but Dexter knows the truth; Dexter struggles with the fact of his growing friendship with Miguel.
Dexter has put his life back together but things may fall apart soon. His new victim is also being targeted by Assistant District Attorney, Miguel Pardo. Deb has to decide how to handle Internal Affairs, as they want her to turn on her new partner.
The Task force believes the Bay Harbor Butcher case is closed, but Dexter still has some trouble to deal with.
Dexter must make a massive decision that will have an effect on all those he holds close. Meanwhile, Lila is back with a secret to blackmail Dexter.
Doakes follows Dexter to his next crime scene and shocks him with a revelation about Harry. The Bay Harbor Butcher task force feels they are zeroing in on their man.
Dexter realizes it won’t be easy to end things completely with Lila. Dexter tries to stay ahead of the investigations, as the manhunt for the Bay Harbor Butcher intensifies. An enemy of Dexter figures out his secret.
