Blackwing

S3, E4: A court battle over Native American land leads to betrayal and murder, as the loss of an ancient document naming the rightful owner threatens to derail the Native Americans' case. Nick gets directly involved when his powers converge with those of the Native Americans' culture. As he embraces this new spiritual world, in his continuing quest to cure his "darkness," Nick soon realizes he has transferred his evil and desire to kill to an innocent member of the tribe.