As the world's energy supplies dwindle, the Orpheus, a research submarine, delves into the deep of the Arctic Ocean searching for rare micro-organisms, but the crew soon find themselves in peril. Minnie Driver, Goran Visnjic, James Nesbitt, Antonia Thomas, Orla Brady, Richard Brake, Sacha Dhawan Added on Amazon Prime 2021-04-06. Youtube Trailer