True Detective 3x07 "The Final Country" Season 3 Episode 7 Promo - Following up on new leads, Wayne (Mahershala Ali) and Roland (Stephen Dorff) track down a man who left the police force in the midst of the Purcell investigation. Meanwhile, Amelia (Carmen Ejogo) visits Lucy Purcell’s best friend in hopes of gaining insights into the whereabouts of the mysterious one-eyed man. Written by Nic Pizzolatto; directed by Daniel Sackheim.