Episodes
Cast
Minnie Driver
Frances Kelly
Goran Višnjić
Samson
James Nesbitt
Clem Donnelly
Antonia Thomas
Maddy
Orla Brady
Catherine
Richard Brake
McIndoe
Sacha Dhawan
Vincent
Sinéad Cusack
Meg Sinclair
Tobias Menzies
Raymond
1To the Furthest Place
Aug 3, 201060 min
The Orpheus' team of scientists are on a mission to find a renewable source of energy in the depths of the Arctic Ocean. The last team who went died in mysterious circumstances, so the Orpheus crew are already feeling nervous when a salvage inspector unexpectedly joins their mission. What does he know about the lost crew, and who is he working for?
2Into the Belly of the Beast
Aug 10, 201060 min
The scientific crew on the Orpheus submarine runs into severe danger in their quest to find rare micro-organisms. One crew member has died, the Orpheus has been intercepted and two of the crew are trapped and running out of air. They have to escape, but can they risk boarding the mysterious vessel which looms above them?
3Ghosts of the Deep
Aug 17, 201060 min
The Orpheus crew's quest for renewable energy has led them into danger. They're trapped on Volos, a Russian submarine, and its nuclear reactor is dangerously overheating. Whoever shuts it down will be exposed to lethal radiation. Who will draw the short straw? Meanwhile Clem is determined to find out what part the Volos had in his wife's death.
4Everything Put Together Falls Apart
Aug 24, 201060 min
The Orpheus is mended, and the captain wants the crew to find more of the rare bio-fuel samples before they return to the surface. The Russian captain has other ideas, however, and instructs his men to kill the crew. In their struggle to escape, some are left behind; will they be able to complete their mission?
5The Last Breath
Aug 31, 201060 min
The Orpheus crew have found rare bio fuels in the ocean depths, but they must find a way of getting it to the surface safely. With the Russian captain of the Volos submarine determined to stop them, will they manage to stabilise the energy source and make it back to the surface?