A little thrill and a lot of personal relationships.
Special Agent Mercy Gunderson works out of the Rapid City FBI office with supervising Special Agent Shay Turnbull who gets under Mercy’s skin and keeps her on the straight and narrow ”Rah! Rah! Go FBI!” path. When a young girl, the new tribal president’s niece, turns up naked, dead, and with a stake driven through her heart, the FBI are called in to find out who killed her.