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The stranded crew of the Epsilon forge an uneasy partnership with the Polaris crew who claim to be the survivors of a 1926 polar expedition. As they work together to escape the Arctic ice, mounting evidence suggests their extraordinary claim might be true.When a stranded Arctic research vessel transmits a call for help, the ship that comes to the rescue is not what they expected. Trapped together in a frozen limbo, two crews separated by a century must survive starvation, the elements, and paranoia to get home.A chilling five-part supernatural thriller that blends claustrophobic survivalism, cosmic sci-fi and environmental geopolitics, set in one of the most hostile places on Earth - the Arctic tundra. Written by the writers of the award-winning drama podcast 'Up In Smoke', Cambria Bailey-Jones and Guy Larsen.MARIA.....Raffey Cassidy FRANK.....Ben Crowe TIMOTHY.....Sacha Dhawan RAYMOND.....Burn Gorman BERTIE.....Calam Lynch FRED.....Tanya Moodie LAURA.....Tiffany SmithWriters: Cambria Bailey-Jones and Guy Larsen Director: Nadia Molinari Sound Designer and Technical Producer: Sharon Hughes Technical producer: Sam Dickinson Production Co-ordinator : Pippa Day Series Script Editor: Lorna Newman Casting Manager: Alex CurranSeries Scientific Consultant: Prof. James Lea from the University of Liverpool Weather Consultant: Andy Cutcher Arctic Historian Consultant: Peter Martin Army consultant: Alec Heron Ship Navigation Consultants: Martha Armitage & James ButtersA BBC Studios production for BBC Radio 4.
Following an Arctic storm, the crew of the research vessel Coralith Epsilon find themselves stranded in thick pack ice. Cut off from the outside world and running low on supplies, hope arrives in the form of a mysterious Morse code message.But the ship that comes to the rescue is not what they expected. Trapped together in a frozen limbo, two crews separated by a century must survive starvation, the elements, and paranoia to get home.A chilling five-part supernatural thriller that blends claustrophobic survivalism, cosmic sci-fi and environmental geopolitics, set in one of the most hostile places on Earth - the Arctic tundra. Written by the writers of the award-winning drama podcast 'Up In Smoke', Cambria Bailey-Jones and Guy Larsen.MARIA.....Raffey Cassidy TIMOTHY.....Sacha Dhawan FRED.....Tanya Moodie LAURA.....Tiffany SmithWriters: Cambria Bailey-Jones and Guy Larsen Director: Nadia Molinari Sound Designer and Technical Producer: Sharon Hughes Technical Producer: Sam Dickinson Production Co-ordinator : Pippa Day Series Script Editor: Lorna Newman Casting Manager: Alex CurranSeries Scientific Consultant: Prof. James Lea from the University of Liverpool Weather Consultant: Andy Cutcher Arctic Historian Consultant: Peter Martin Army Consultant: Alec Heron Ship Navigation Consultants: Martha Armitage & James ButtersA BBC Studios production for BBC Radio 4.
When a stranded Arctic research vessel transmits a call for help, the ship that comes to the rescue is not what they expected. Trapped together in a frozen limbo, two crews separated by a century must survive starvation, the elements, and paranoia to get home.A chilling five-part supernatural thriller that blends claustrophobic survivalism, cosmic sci-fi and environmental geopolitics, set in one of the most hostile places on Earth - the Arctic tundra. Written by the writers of the award-winning drama podcast 'Up In Smoke', Cambria Bailey-Jones and Guy Larsen.Listen to the whole series on BBC Sounds from 23 October, 2026.A BBC Studios production for BBC Radio 4.
After the devastating revelation about Edward's wife, Thornfield is burning. But Axel has an offer for Charly. In a near-future world on the brink of societal collapse, the wealthiest 0.01% have retreated into luxury bunkers. These high-tech fortresses boast swimming pools, cinemas, and hydroponic farms, but their inhabitants live in a bubble of paranoia and control. Charly takes a job tutoring the children of reclusive billionaire Edward in his doomsday bunker. But when strange things start happening, it seems dark secrets are buried in this vast bunker too.In the real world, the super-rich are already building bunkers ready to provide sanctuary from the apocalypse. In Chloë Myerson claustrophobic thriller, we ask: what happens next?CAST Charly ..... Ava Hinds-Jones, Edward ..... Jacob Fortune-Lloyd Axel ..... Alexander Arnold, Obi ..... Joshua-Alexander Williams, Popo ..... Liz Sutherland-Lim Mei ..... India Moon Huxley ..... Ayrton English Esther ..... Kerry Gooderson Dmitry ..... Tom Kiteley Other parts are played by David Holt.Written by Chloë MyersonProduction Co-ordinator: Ben Hollands Sound Design: Peter Ringrose, Keith Graham, Andy Garratt Director: Anne IsgerA BBC Studios Production for BBC Radio 4
What secret is hidden in Thornfield's forbidden East Wing? And what lengths will Charly go to, to find out?In a near-future world on the brink of societal collapse, the wealthiest 0.01% have retreated into luxury bunkers. These high-tech fortresses boast swimming pools, cinemas, and hydroponic farms, but their inhabitants live in a bubble of paranoia and control. Charly takes a job tutoring the children of reclusive billionaire Edward in his doomsday bunker. But when strange things start happening, it seems dark secrets are buried in this vast bunker too.In the real world, the super-rich are already building bunkers ready to provide sanctuary from the apocalypse. In Chloë Myerson claustrophobic thriller, we ask: what happens next?CAST Charly ..... Ava Hinds-Jones Edward ..... Jacob Fortune-Lloyd Obi ..... Joshua-Alexander Williams Popo ..... Liz Sutherland-Lim Dev ..... Danny Ashok Axel ..... Alexander Arnold Kal ..... Tom Kiteley Huxley ..... Ayrton English Mei ..... India Moon Other parts are played by David HoltWritten by Chloë MyersonProduction Co-ordinator: Ben Hollands Sound Design: Peter Ringrose, Keith Graham, Andy Garratt Director: Anne IsgerA BBC Studios Production for BBC Radio 4
Guests arrive at Thornfield. But what is Edward hiding from Charly?In a near-future world on the brink of societal collapse, the wealthiest 0.01% have retreated into luxury bunkers. These high-tech fortresses boast swimming pools, cinemas, and hydroponic farms, but their inhabitants live in a bubble of paranoia and control. Charly takes a job tutoring the children of reclusive billionaire Edward in his doomsday bunker. But when strange things start happening, it seems dark secrets are buried in this vast bunker too.In the real world, the super-rich are already building bunkers ready to provide sanctuary from the apocalypse. In Chloë Myerson claustrophobic thriller, we ask: what happens next?CAST Charly .... Ava Hinds-Jones Edward ..... Jacob Fortune-Lloyd Obi ..... Joshua-Alexander Williams Dev ..... Danny Ashok Axel ..... Alexander Arnold Popo ..... Liz Sutherland-Lim Mei ..... India Moon Huxley ..... Ayrton English Zack ..... Waj Ali Brett ..... Kerry Gooderson Other parts are played by David HoltWritten by Chloë MyersonProduction Co-ordinator: Ben Hollands Sound Design: Peter Ringrose, Keith Graham, Andy Garratt Director: Anne IsgerA BBC Studios Production for BBC Radio 4
A voice from the past returns. Can Charly trust what she hears? In a near-future world on the brink of societal collapse, the wealthiest 0.01% have retreated into luxury bunkers. These high-tech fortresses boast swimming pools, cinemas, and hydroponic farms, but their inhabitants live in a bubble of paranoia and control. Charly takes a job tutoring the children of reclusive billionaire Edward in his doomsday bunker. But when strange things start happening, it seems dark secrets are buried in this vast bunker too.In the real world, the super-rich are already building bunkers ready to provide sanctuary from the apocalypse. In Chloë Myerson claustrophobic thriller, we ask: what happens next?CAST Charly ..... Ava Hinds-Jones Edward ..... Jacob Fortune-Lloyd Obi ..... Joshua-Alexander Williams Dev ..... Danny Ashok Popo ..... Liz Sutherland-Lim Huxley ..... Ayrton English Mei ..... India Moon Other parts are played by Kerry Gooderson, Debbie Korley and David Holt. Written by Chloë MyersonProduction Co-ordinator: Ben Hollands Sound Design: Peter Ringrose, Keith Graham, Andy Garratt Director: Anne IsgerA BBC Studios Production for BBC Radio 4
Tutor Charly arrives in luxury bunker Thornfield. But something's not right with this place. And what happened to her predecessor? In a near-future world on the brink of societal collapse, the wealthiest 0.01% have retreated into luxury bunkers. These high-tech fortresses boast swimming pools, cinemas, and hydroponic farms, but their inhabitants live in a bubble of paranoia and control. Charly takes a job tutoring the children of reclusive billionaire Edward in his doomsday bunker. But when strange things start happening, it seems dark secrets are buried in this vast bunker too. In the real world, the super-rich are already building bunkers ready to provide sanctuary from the apocalypse. In Chloë Myerson claustrophobic thriller, we ask: what happens next?CAST Charly ..... Ava Hinds-Jones Popo ..... Liz Sutherland-Lim Huxley ..... Ayrton English Mei ..... India Moon Obi ..... Joshua-Alexander Williams Kal ..... Tom Kiteley Axel ..... Alexander Arnold Edward ..... Jacob Fortune-Lloyd Other parts are played by David Holt and Debbie KorleyWritten by Chloë MyersonProduction Co-ordinator: Ben Hollands Sound Design: Peter Ringrose, Keith Graham, Andy Garratt Director: Anne IsgerA BBC Studios Production for BBC Radio 4.
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