1. Down by the River

8.8

. 10 September 2015. 64 min

The team struggles with the fallout from Branch's confrontation with Barlow, and Walt's crusade to bring Nighthorse to justice spins out of control.

2. War Eagle

9

. 10 September 2015. 55 min

Walt is forced to split his focus between new evidence in a personal case, and the murder of a caretaker at a former Japanese internment camp.

3. High Noon

9.2

. 10 September 2015. 58 min

The investigation of Nighthorse heats up, but not in the way that Walt was hoping for. Cady makes a shocking discovery.

4. Four Arrows

9

. 10 September 2015. 58 min

A body found in the luggage of a tour bus further complicates Walt's troubles with Nighthorse. Henry makes a bold move to help a mother and son.

5. Help Wanted

8.8

. 10 September 2015. 61 min

When the husband of a former soldier is assaulted during an apparent robbery, Walt is drawn into an emotionally charged investigation.

6. The Calling Back

8.8

. 10 September 2015. 55 min

A young Native American girl is raped on the reservation, which sparks new, volatile tensions between local oil rig workers and the Cheyenne people.

7. Highway Robbery

9

. 10 September 2015. 68 min

A highway robbery sets off an investigation into a strange relationship, while Walt struggles to let go of the past.

8. Hector Lives

8.2

. 10 September 2015. 58 min

When a former suspect in a rape case ends up dead in another county, Walt and Vic aren't convinced the death is an accident.

9. Shotgun

8.2

. 10 September 2015. 58 min

Henry's attempt at justice backfires, resulting in new problems for him and a new investigation for Walt.

10. What Happens on the Rez...

8.3

. 10 September 2015. 63 min

The line between justice and the law gets even blurrier for Henry and Walt as their hunt for a killer intensifies.