12 Episodes · Premiered September 30, 2007 · Ended December 16, 2007
In season two, the bodies of Dexter's victims are uncovered and an investigation is launched in Dexter's own department to find the killer, dubbed the "Bay Harbor Butcher." Debra struggles to recover, and Rita sends Dexter to Narcotics Anonymous meetings when she suspects that he has an addiction. Sergeant James Doakes, stalks Dexter, suspecting that he is connected with the "Ice Truck Killer" killings.
As a cool forensics expert with killer instincts, Dexter's got it made -- but he may be getting more recognition than he ever hoped for.
A still-shaken Dexter continues stalking the monstrous Little Chino, while Debra struggles with her lingering demons.
Dexter's mysterious late-night activities attract the wrong kind of attention from Rita, who's convinced his vice of choice must be drugs.
To appease Rita, Dex gets a drug sponsor -- who proves too attractive for Rita's comfort. Meanwhile, he tries shaking off the tenacious Lundy.
Dexter learns that one of the three men who murdered his mother is still alive and, thanks to the Witness Protection Program, running a pub in Naples, FL.
The Bay Harbor Butcher now has a copycat, and Dexter must stop him before Agent Lundy puts the Butcher case entirely into the hands of the FBI.
Dexter sends the Miami Tribune a 32-page manifesto designed purely to baffle and mislead the police. His scheming continues as he finally fights back against Sgt. Doakes.
Thanks to some deliberately bad blood work, Agent Lundy comes closer to uncovering the Bay Harbor Butcher.
Dexter is in shock when he realizes that his blood slides are gone. It seems that Agent Lundy really has him now; but there's more going on than he knows.
As Dexter keeps Doakes caged in Jimenez's cabin, Doakes reveals that he knows something about the death of Dexter's father. This clue leads Dexter to discover a shocking truth.
Dexter decides that he needs to turn himself in, but gives himself a day to get his life together. Meanwhile, he leaves Doakes in his cage.
Lila makes a shocking discovery about Dexter and takes advantage of it in a desperate ploy to win him back, or rather, force him back.
