User Score: 1103
In the Season 4 finale, the line between justice and the law gets even blurrier for Henry and Walt as their hunt for a killer intensifies.
Henry is troubled with new problems after his attempt at justice backfires, resulting in a new investigation for Walt.
A former suspect in a rape case ends up dead in another county, which strikes Walt and Vic as more than a coincidence.
Walt struggles to let go of the past as he and the team investigate a highway robbery perpetrated by people involved in a strange relationship.
Volatile tensions erupt between local oil rig workers and the Cheyenne people when a young Native American girl is raped on the reservation.
Walt finds himself drawn into an emotionally charged investigation involving an assault during an apparent robbery of a man married to a former soldier.
Walt's troubles with Nighthorse are further complicated by the discovery of a body in the luggage of a tour bus. Meanwhile, Henry makes a bold move to help a mother and son.
Cady makes a shocking discovery; at the same time, Walt's investigation of Nighthorse heats up, but not in the way he was hoping.
Walt's attention is divided between the discovery of new evidence in a personal case and the investigation into the murder of a caretaker at a former Japanese internment camp.
In the Season 4 premiere, the team deal with the fallout from Branch's confrontation with Barlow; and Walt's crusade to bring Nighthorse to justice spirals out of control.