When LaGuerta arrests Dexter he shows its far from over and he plans to finish what he started with Hector Estrada. With LaGuerta close to proving that Dexter is the Bay Harbor Butcher in front of everyone, Dexter is left no choice but to deal with LaGuerta and close the Bay Harbor Butcher case once and for all.moreless
LaGuerta now believes that Dexter is the Bay Harbor Butcher and sends Matthews to talk to him. Dexter also must find a way to kill the last of his mother's killers when Hector Estrada is released. Dexter also questions Hannah about when Debra mysteriously just blacks out leading to a car accident. Quinn learns that Nadia has skipped town.moreless
When the Phantom arsonist kills again, Dexter moves closer to finding his identity. Dexter explains his dark passenger to Hannah while she is visited by her father who hasn't always been the best father to her. Quinn has a final confrontation with George Novikov who decided to send Nadia to another club. LaGuerta tells Matthews that she thinks Dexter is the Bay Harbor Butcher and they both try to resolve a way to deal with the situation.moreless
Dexter is surprised to find that Issak comes to him for help when his life is in danger but because Issak has had Hannah kidnapped Dexter has to cooperate. La Guerta shares her theory to Mathews about the Bay Harbor Butcher and Debra is embarrassed about telling Dexter that she's in love with him.moreless
Dexter is conflicted with the phone call that Deb made to him. He has to make a decision between Hannah and his sister. It goes beyond that though, will he honor his own code? Another problem arises when Aster and Cody's grandfather has a kidney stone and the kids end up with Dexter. This can be very dangerous when he has a target on his head from Issac. Dexter also saves Issac's life by accident. We also find out why Issac so desperately want Dexter's dead, Issac is holding on to a secret.moreless
Sal Price learns about Dexter and Hannah's relationship and helps Debra to dig up more information on Hannah. Quinn goes on extreme to protect his girlfriend.
A local crime writer Sal Price attracted to Debra and she used this to get info on Hannah McKay. But Dexter is already planning to kill Hannah. Quin gets an strange offer and Batista wants to retire and open a restaurant. Meanwhile, LaGuerta is near getting new evidence in the Bay Harbor Butcher case.moreless
Deb discovers that LaGuerta sent some forensic evidence to an outside lab. LaGuerta confides in Deb that she found Dex's blood slide and is convinced that the Bay Harbor Butcher is still active and Doakes was innocent. Deb offers to help LaGuerta, so that she can steer theinvestigationaway from Dexter ifnecessary. Dexter discovers blood on his boat and finds out that Isaak is after him. Hannah McKay is back to help find some of the victims from the killing spree. Dexter finds something interesting while studying one of the unearthed bodies.moreless
Deb and the police catch Ray Speltzer. They work him and get a confession. After a video of Ray's arrest reveals that the officers did not properly Mirandize him, they are forced to let him go. Dexter realizes that this is his chance to take Ray out in his own special way. Dexter realizes that some things have to change if he can continue to keep himself separate from guys like Ray. The strip club is still being raided and Isaak has had enough. He decides to give the police what they want, even if it means framing an innocent man.moreless
Debra tries to reconcile with her brother while trying to cover up the murder she witnessed in the Season 6 finale.