Dexter tracks down a serial killer in NYC as Harrison spirals from guilt.

Dexter must carefully balance attempts to help get him acclimated.

Dexter attends a mysterious gathering as Harrison struggles at work.

Harrison's fears escalate as Dexter pursues a dangerous connection.

As Dexter closes in on a murderer, Harrison faces a crisis of identity.

Dexter learns unsettling information as Harrison contemplates his future.

Dexter redirects his attention as a way to step up as a father.

Prater and Charley's revelation forces Dexter to go to extreme lengths.

Dexter and Harrison face the consequences of their darkness.