Forensics analyst Dexter Morgan hides his life as a serial killer from his sister, co-workers and girlfriend.
The Ice Truck Killer privately contacts Dexter and reveals that he knows his grisly secret; meanwhile Debra is transferred to homicide.
The Ice Truck Killer begins leaving victims' body parts at sites that relate to Dexter's childhood, forcing the forensics analyst to confront his own dark history.
Dexter must deal with a dismembered hooker found in a hockey rink while he stalks a recently released murderer who may kill again.
The Ice Truck Killer's latest victim is alive; Dexter stalks a human-trafficker.
