Debra and Batista find proof that Neil Perry is the Ice Truck Killer when they find a body beneath Neil's trailer home. A manhunt ensues to find and capture Neil before he kills again. As more and more evidence rises to the surface, Dexter is left adrift. Neil Perry, the supposed Ice Truck Killer, doesn't live up to his expectations. Meanwhile, Dexter has to deal with his past when a teenager he caught and released murders again. As a result, Dexter sets out to correct this mistake in one of the only ways he knows how. Rita's family life is torn asunder as her paroled ex-husband, Paul, reasserts himself as the father of her children. Paul even confronts Dexter, letting him know that he doesn't like Dexter being around his wife and kids. Rita wishes that Paul would go away forever, something that is definitely possible when your boyfriend happens to be Dexter.