Dexter

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.

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.

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.

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.

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.