In the series finale, Dexter faces impossible odds with The Brain Surgeon on his tale and a vicious hurricane approaching Miami. With no time left, Dexter plans his arrangements for the future.
Dexter, still reeling from Vogel's death, plans to eliminate Oliver Saxon before fleeing the country with Hannah & Harrison. During all of this, the hurricane shuts down the airport and Debra has been shot, leaving Dexter with few options.
Dexter desperately tries to escort Vogel to safety with her increasingly dangerous son on the loose. Meanwhile, Debra learns of Dexter's plans to flee to Argentina with Hannah and Harrison.
Dexter tries to get to the bottom of Zach's murder, whilst at the same time keep Hannah hidden from the US Marshall who has come looking for her. Vogel comes face-to-face with a ghost from her past.
After helping Quinn with some investigative work, Deb toys with the idea of returning to Miami Metro.moreless
Dexter realizes that Zach has killed his neighbor, Cassie, by bludgeoning, and he and Hannah race to the Keys where Zach is located to finish him off. With Hannah still in danger of being caught, she plans for a new identity.
Dexter hunts down Hannah to figure out why she is in Miami. Dexter takes on a protégé and teaches him the code.
Dexter and Quinn both look into Zach Hamilton as a potential murder suspect. Meanwhile, Deb goes undercover in a new case that has personal attachment for Elway.
Dr. Vogel comes into contact with the "Brain Surgeon". Dexter and Deb try to keep her safe. Masuka learns that he has a daughter.
Dexter goes in search of another serial killer from Dr. Vogel list. Quinn passes the seargent exam. Dr. Vogel treats Deb for her PTSD.
Dexter continues the search for the Brain Surgeon. Meanwhile Deb finds help in an unexpected source when her post tramatic stress disorder kicks in.
Miami Metro continues the search for the Brain Surgeon. Dexter finds a clue and attempts to find the Surgeon before his colleagues. Dexter gets a bit closer to Dr. Vogel. Dexter keeps attempting to bridge the gap that has formed between him and Deb. Deb is forced to take matters into her own hands as she tries to find the jewels that Biggs had stolen.moreless
Six Months after LaGuerta's death, Deb has left the police force for private security. Dexter and Deb are barely speaking. A new serial killer dubbed "The Brain Surgeon" is in Miami. Dr. Evelyn Vogel, a psychiatrist known as the "sociopath whisperer" offers her help to Miami Metro. She may hold clues to Dexter's past.moreless