Season 1

Dexter Morgan, a forensics expert who leads a secret life as a killer of unconvicted criminals, is impressed by the work of a new serial killer.

The Miami Metro Police Department investigate the murder of an undercover officer, while Dexter stalks another victim. Debra discovers a piece of evidence in the Ice Truck Killer Case that helps her get a promotion.

While LaGuerta focuses the department's attention on a potential suspect in the Ice Truck Killer Case, Debra continues to look elsewhere. Doakes decides to pay a visit to drug lord.

Body parts from the Ice Truck Killer's latest victim begin appearing all over Miami in locations. In the meanwhile, Dexter realizes that the locations that have been picked for each and every one of the killings from the Ice Truck Killer could possibly be related to his own childhood.

The Homicide Division is buzzing after The Ice Truck Killer's latest victim is found mutilated, while Dexter stalks a murderous human trafficker.

The Ice Truck Killer leaves a clue at the scene where Dexter has dispatched his latest victim, and Dexter is worried that someone might have witnessed his killing. Rita is trying to deal with her ex-husband.

The police think they've uncovered the identity of The Ice Truck Killer, but Dexter is skeptical and not sure they're right. Rita must deal with the return of her menacing, recently paroled husband, Paul Bennett.

The strange suicide of a powerful woman leads Dexter to suspect her shrink of murder, but he gets a shock when a visit to the suspect opens up dark secrets from Dexter's past.

While on a weekend getaway with Rita, his sister and her new beau, Dexter learns that his biological father, thought to be dead for 30 years, has just passed away, and that he's willed his son everything he owned.

When Dexter is sent to investigate a bloody crime scene, deeply suppressed memories from his childhood begin to resurface.

The Ice Truck Killer sets a trap for Dexter by kidnapping someone close to him; Dexter's increasingly odd behavior piques Doakes's interest.

Dexter figures out who the Ice Truck Killer is, along with a dark secret from his troubled past. Meanwhile, La Guerta is replaced with a new boss and Angel figures out a way how to track the killer while he's still in hospital.