It's the third and final season of the acclaimed drama HINTERLAND. Having survived the fire that destroyed his home at the end of Season 2, DCI Tom Mathias (Richard Harrington – Poldark) returns to the heart of Aberystwyth. An old unsolved case from years ago lures him back in, but threatens to divide the investigative team. While Mathias wrestles with his past, Detective Sian Owens looks to the current mystery of who burned down Mathias' home, and by season’s end, the mysteries will collide in a chilling conclusion.