After the events that transpired at the end of Dark Winds Season 2, things have seriously changed for Zahn McClarnon‘s Joe Leaphorn, a lieutenant and veteran of the tribal police. Leaphorn turned executioner with regard to B.J. Vines (John Diehl) during the sophomore season, and since the show’s return for its third season, the officer has been battling with his demons regarding breaking the law. Sneakily sent in to decipher what caused Vines’ demise is Special Agent Sylvia Washington (Jenna Elman), who has since begun to close in on the truth regarding the death. So what makes the federal agent such a potent and dangerous adversary?