Detective Marie Trevino has discover a serial killer working the US/Mexico border.Killing young Immigrate women.Faced with politics, Trevino is forced to partner up with Detective Braden Greggs. Together they form an uneasy alliance with each other to stop a killer who's gone undetected for decades. Overseeing their investigation is the unscrupulous and corrupt Sheriff Lonnie Dugan and his son Grus.Together, they need to steer the investigation away from the smugglers, sex traffickers, and cartel members they protect. The two detectives quest for the truth uncovers a web of criminal activity on both sides of the law that will make them question their own moral compass. Only one will survive.