Dexter is accompanied by a fellow Dark Passenger on a trip to Nebraska to tie up past loose ends. Meanwhile, Debra's investigation into the Doomsday Murders is complicated by her lieutenant r...
Dexter's case turns personal, while Debra's new duties as a lieutenant leave her feeling overwhelmed. She also discovers Quinn made a professional faux pas...
Dexter receives spiritual guidance from his new friend, Brother Sam, while his search for the Doomsday Killers leads him in a new direction. Later, Quinn and Batista visit Prof. Gellar's former university; and Debra is required to undergo post-shooting therapy...
Gellar and Travis' latest disturbing tableau has Dexter questioning matters of faith. Meanwhile, Homicide uncovers evidence that the killings are religion-motivated and tries to find the zealot responsible; Debra gives her first official press briefing...
A serial killer from Dexter's past makes a shocking reappearance; Debra has problems settling into her new job; and Travis and Gellar contemplate their next mov...
Brother Sam, a minister with a criminal history, is brought in by the homicide department to help solve a macabre murder, but Dexter sees him for what he really is—and it's definitely not a man of God. Elsewhere, Debra's sudden hero status elicits a pair of surprising ...
Dexter Morgan attends his 20th high school reunion; Dexter considers his son's legacy; Debra becomes an unexpected hero...
Dexter realizes he is being lured into a trap; Debra lets her personal feelings overwhelm her instincts; Quinn needs Dexter's help...
Dexter must do damage control; Debra's speculation begins to take shape; Quinn becomes involved in a homicide...
Dexter discovers a possible ally; homicide uncovers evidence; Debra identifies two more suspect...
While in the midst of hunting down their next victim, Dexter and Lumen are surprised by the return of an unannounced guest. Debra is assigned to the file room, but still manages to uncover new evidence in the Barrel Girl case...
While attending a self-help seminar, Dexter and Lumen vet and stalk a violent killer. Debra gets into some unexpected trouble from the fallout of the Santa Muerte case, forcing Batista to make a difficult decision...
While helping Lumen, Dexter finds himself on a collision course with Debra and the rest of Homicide when he is called to investigate a horrifying crime scene. Meanwhile, the Santa Muerte case leads to a violent standoff between Debra and the Santa Muerte killers...
Dexter is drawn into a precarious situation; Batista discovers an interesting lead; Quinn gets information about Dexter from a questionable source...
Dexter is saddled with an unwanted conspirator; Dexter worries about how Rita's death will affect Harrison; Deb works alone; Quinn enlists an old friend's help...