Dexter continues his manhunt for the Brain Surgeon as Debra makes a desperate plea to confess to LaGuerta's murder.
Dexter faces impossible odds. A hurricane threatens Miami, Dexter becomes determined to do things his way.
Dexter is torn between leaving the country with Hannah and Harrison or taking Saxon out once and for all, and his indecision leads to grisly and unexpected consequences.
Dexter tracks down another potential serial killer from Dr Vogel's list, Quinn celebrates, and Deb is treated for her post-traumatic stress disorder.
Dexter enlists Dr Vogel's help, and tries to lure the Brain Surgeon into a trap. Also, an important person in Dexter's life is murdered in front of his eyes.