Am Tag ist der sanftmütige Dexter ein Blutspritzer-Analytiker für die Polizei von Miami. Aber nachts ist er ein Serienmörder, der nur auf andere Mörder zielt.
In the beautiful city of Rome, a handsome middle aged man struggles with his identity at work and at home. Stuck in the routine of his everyday life, he is confronted with the difficulties of coming out to his peers and family with the love of his life.
In the Season 6 premiere, Dexter attends his high school reunion to hunt a former Prom King; an investigation into a faith-based murder causes Dexter to ask some spiritual questions; Debra becomes an unexpected hero.
Dexter tries to figure out the Doomsday Killers' next victim; Debra has a strong reaction to a crime scene, leading her to realize that she leans too heavily on her brother.
Dexter finds that in order to catch the Doomsday Killers, he must create a macabre tableau of his own; Debra's battle with LaGuerta boils over, and her therapist makes an unnerving suggestion.
In the Season 6 finale, Dexter and Homicide race a solar eclipse to catch the Doomsday Killers before their final gruesome act; Debra struggles with a new emotional reality.
To solve a macabre murder, Homicide consults Brother Sam, a minister whom Dexter recognizes as a fellow killer with an even better cover than his own; now a local hero, Debra is surprised by two life-changing proposals.
Dexter is confronted with a glimpse of his own possible future when a serial killer from his past reappears; Debra is uncomfortable in her new job; Travis and Gellar prepare a new twisted tableau.
Disturbing events cause Dexter to lean on Brother Sam during a crisis of faith, while Debra gives her first press conference on the new religiously motivated serial killer.
The search for the Doomsday Killers takes Dexter in a new direction; Batista and Quinn pay a visit to the university where Professor Gellar taught; due to departmental regulations following the shooting, Debra is forced to begin therapy.
Dexter becomes caught up in a very personal case that awakens the needs of his Dark Passenger; Debra feels overwhelmed by her new duties, and discovers a disturbing secret about Quinn.
Dexter teams up with a fellow Dark Passenger when he takes a road trip to Nebraska; Debra deals with the complications of her promotion as she leads the Doomsday investigation.
Dexter uses lessons he learned from Brother Sam to follow up on some new Doomsday leads; Debra butts heads with LaGuerta over the case of a dead call girl.
Season 7 premiere. After witnessing her brother kill, Debra attempts to reconcile with Dexter while struggling to cover up their involvement with the murder.
Dexter tries to bring Debra on board with his new target. LaGuerta, convinced the Bay Harbor Butcher is still out there, attempts to enlist Batista to help her re-open the case.
Trying to uncover why someone was killed on his boat, Dexter must out-maneuver a vengeful Isaak. New leads are brought to light on the Wayne Randall case by Hannah McKay, Randall's alluring former accomplice Dexter discovers has a secret.
Debra gets to know a local crime writer who's dug up some incriminating dirt on Hannah McKay - Dexter's newest obsession. Quinn gets an offer he tries to refuse and LaGuerta keeps digging into the Bay Harbor Butcher case.
After capturing a deadly killer, things go awry for Miami Metro, sending Debra into a tailspin. In an effort to help his sister, Dexter enters into a dangerous game of cat and mouse, while the Ukrainian mob continues to seek revenge.
Dexter tries to keep Debra in the dark about his relationship with Hannah, but a surprise visit from Astor, Cody and Harrison throws a wrench into his plans. Fresh out of jail, Isaak renews his pursuit of Dexter.
Things heat up as Dexter and Hannah grow closer, but when Sal Price discovers the two are involved, he wants the exclusive story. Quinn falls back into his old ways as he makes some questionable choices to protect Nadia.
Surprise visit from Hannah's father puts Dexter on alert. Phantom Arsonist's crimes become more gruesome. Defending Nadia's honor forces Quinn into a dangerous situation. LaGuerta brings Matthews to help with the Bay Harbor Butcher case.
Dexter, preoccupied with Isaak, gains an advantage thanks to an internal struggle within the Koshka brotherhood. Miami Metro is on the hunt for an arsonist and Dexter goes to great lengths to protect his relationship with Hannah.
