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A multi-award-winning conspiracy thriller, written by Matthew Broughton.
Further podcasts by BBC Radio 4
Podcast on the topic Drama
All episodes
Abyss: Episode Nine from 2020-12-21T14:01
By Matthew Broughton
The last ever episode of the conspiracy thriller.
As time runs out for Helen, the truth about Arca Island is revealed and she's offered an impossible choice. Listen
Abyss: Episode Eight from 2020-12-07T14:01
By Matthew Broughton
Episode eight of the conspiracy thriller's final series.
As the search for Arca Island continues, Helen is offered fresh hope that her life could be saved.
... ListenAbyss: Episode Seven from 2020-11-30T14:01
By Matthew Broughton
Episode seven of the conspiracy thriller's final series.
Helen gives up on her quest and hides away with Frances in her old house in Pembrokeshire. But sometime...
ListenAbyss: Episode Two from 2020-11-25T13:15
By Matthew Broughton
Episode two of the conspiracy thriller's final series.
Helen and Freddy drive back from Scotland with what could be proof that the sunken ship exists - the seve...
ListenAbyss: Episode Three from 2020-11-24T13:38
By Caroline Horton.
Episode three of the gripping conspiracy thriller
Dr Helen Ash receives a call from Eddy’s daughter Lucy - there is a survivor, she is sick, and Lucy is hiding ...
ListenAbyss: Episode Six from 2020-11-23T14:01
By Katherine Chandler.
Part 6 of the conspiracy thriller's final series.
An odd detail on the uniform of a drowned soldier leads Helen further down the rabbit hole. At a military b...
ListenAbyss: Episode Five from 2020-11-16T14:01
By Matthew Broughton
Episode five of the conspiracy thriller's final series.
Armed with the co-ordinates of the sunken ship, Helen and Freddy head down beneath the waves in search o...
ListenAbyss: Episode Four from 2020-11-09T14:01
By Lucy Catherine.
Part four of the conspiracy thriller's final series.
A strange cannister recovered from the sunken ship contains seeds from the global seed bank. Helen and Freddy...
ListenAbyss: Episode One from 2020-11-09T12:00
By Matthew Broughton
The final series of the conspiracy thriller begins.
Dr Helen Ash is coming to terms with the fact she has just 9 months to live, when she’s emailed a video of a...
ListenIndigo: Episode Ten from 2019-10-28T11:44
Final part of the conspiracy thriller by Matthew Broughton. Starring Romola Garai and Jonathan Forbes.
As the final piece of the puzzle falls into place, Helen comes face to face with the ...
ListenIndigo: Episode Nine from 2019-10-28T11:40
Part nine of the conspiracy thriller by Matthew Broughton. Starring Romola Garai and Jonathan Forbes.
Helen is confronted by the notorious Valerie Peluso.
A gripping thriller, chart...
ListenIndigo: Episode Eight from 2019-10-28T11:37
Part eight of the conspiracy thriller by Matthew Broughton. Starring Romola Garai and Jonathan Forbes.
Helen and Freddy embark on a dangerous mission to free a kidnapped boy.
A grip...
ListenIndigo: Episode Seven from 2019-10-28T11:34
Part seven of the conspiracy thriller by Matthew Broughton. Starring Romola Garai and Jonathan Forbes.
Helen and Freddy visit the 'child-mother' and uncover a dangerous secret.
A gr...
ListenIndigo: Episode Six from 2019-10-28T11:32
Part six of the conspiracy thriller by Matthew Broughton. Starring Romola Garai and Jonathan Forbes.
Helen learns that her baby might be 'Indigo'. While Irene's cryptic note leads them cl...
ListenIndigo: Episode Five from 2019-10-28T11:29
Part five of the conspiracy thriller by Matthew Broughton. Starring Romola Garai and Jonathan Forbes.
Helen finally tracks down Irene Rose, but what she finds isn't what she expected.
... ListenIndigo: Episode Four from 2019-10-28T11:27
Part four of the conspiracy thriller by Matthew Broughton. Starring Romola Garai and Jonathan Forbes.
Helen and Freddy investigate a suspicious gene editing facility. But what is wrong wit...
ListenIndigo: Episode Three from 2019-10-28T11:23
Part three of the conspiracy thriller by Matthew Broughton. Starring Romola Garai and Jonathan Forbes.
Helen attempts to track down the mysterious 'child-mother'.
A gripping thriller...
ListenIndigo: Episode Two from 2019-10-28T11:20
Part two of the conspiracy thriller by Matthew Broughton. Starring Romola Garai and Jonathan Forbes.
Helen believes that her baby is older than she should be. But that’s not all that’s wro...
ListenIndigo: Episode One from 2019-10-28T11:15
The return of the conspiracy thriller by Matthew Broughton. Starring Romola Garai and Jonathan Forbes.
Dr Helen Ash is involved in a road accident. But where was she going in such a hurry?...
ListenChimera: Episode Nine from 2018-12-27T17:38
Part 9 of the conspiracy thriller. Written by Matthew Broughton, starring Hattie Morahan and Jonathan Forbes.
Helen gives birth as the series reaches its thrilling climax.
A gripping...
ListenEpisode Eight from 2018-12-20T17:36
Part 8 of the conspiracy thriller. Written by Matthew Broughton, starring Hattie Morahan and Jonathan Forbes.
Helen discovers the truth behind her mystery pregnancy.
A gripping thril...
ListenChimera: Episode Seven from 2018-12-13T17:35
Part 7 of the conspiracy thriller. Written by Timothy X Atack, starring Hattie Morahan and Jonathan Forbes.
When Helen and Freddy discover a bunker which holds the secret of ‘Patient Zero’...
ListenChimera: Episode Six from 2018-12-06T17:33
Part 6 of the conspiracy thriller. Written by Caroline Horton, starring Hattie Morahan.
Helen forms an unlikely friendship with another patient in the psychiatric hospital where she's been...
ListenChimera: Episode Five from 2018-11-29T17:28
Part 5 of the conspiracy thriller. Written by Matthew Broughton, starring Hattie Morahan and Jonathan Forbes.
As Helen discovers the true identity of the man she saw survive the fall of th...
ListenChimera: Episode Four from 2018-11-22T17:24
Part 4 of the conspiracy thriller. Written by Lucy Catherine, starring Hattie Morahan and Jonathan Forbes.
A near-death experience and a mysterious text message lead Helen to contemplate a...
ListenChimera: Episode Three from 2018-11-15T17:23
Part three of the conspiracy thriller. Written by Matt Hartley . Starring Hattie Morahan and Jonathan Forbes.
Helen and Freddy explore the dark underbelly of the trade in human eggs. A g...
ListenChimera: Episode Two from 2018-11-08T17:26
Part two of the conspiracy thriller by Matthew Broughton. Starring Hattie Morahan and Jonathan Forbes.
In the aftermath of the Slate disaster, Helen investigates another building that col...
ListenChimera: Episode One from 2018-11-01T17:20
The return of the conspiracy thriller by Matthew Broughton. Starring Hattie Morahan and Jonathan Forbes.
Dr Helen Ash discovers she’s pregnant, but she hasn’t had sex since her husband di...
ListenStrata: Episode Six from 2017-12-12T14:49
6/6 Series two of the conspiracy thriller. Somewhere in the mountains of Snowdonia, the future is being built.
ListenStrata: Episode Five from 2017-12-11T14:46
5/6 Series two of the conspiracy thriller. Lost in the snow, is this the end of Rachel’s quest?
ListenStrata: Episode Four from 2017-12-10T14:43
4/6 Series two of the conspiracy thriller. Rachel’s search for her son takes a sinister turn.
ListenStrata: Episode Three from 2017-12-09T14:36
3/6 Series two of the conspiracy thriller. Rachel discovers a dangerous ritual in the forest.
ListenStrata: Episode Two from 2017-12-08T14:27
2/6 Series two of the conspiracy thriller. Rachel’s search for Joe continues.
ListenStrata: Episode One from 2017-12-07T14:02
1/6 Series two of the conspiracy thriller. Snowdonia, 1980. A dark secret lies hidden in the mountains.
ListenOrigin: Episode Nine from 2016-10-04T16:14
The final episode in the conspiracy thriller by Matthew Broughton. Starring Romola Garai. Written by Matthew Broughton.
Helen and Freddy fly to Shanghai to discover the secret of ‘life wit...
ListenOrigin: Episode Eight from 2016-09-27T16:10
The eighth episode of a nine-part conspiracy thriller, starring Romola Garai. Written by Matthew Broughton.
When the mysterious child, K, wakes from his coma, Helen discovers his identity....
ListenOrigin: Episode Seven from 2016-09-20T16:07
Seventh episode of a nine-part conspiracy thriller, starring Romola Garai. Written by Matthew Broughton. Helen is kidnapped by the organ traffickers she has been investigating. To make matters...
ListenOrigin: Episode Six from 2016-09-13T16:02
The sixth episode in a major new nine-part conspiracy thriller, starring Romola Garai. Written by Matthew Broughton.
As Helen uncovers disturbing details of a dark and illicit industry, s...
ListenOrigin: Episode Five from 2016-09-06T16:17
The fifth in a major new nine-part conspiracy thriller, starring Romola Garai. Written by Matthew Broughton
Confined to her hospital bed, Helen is desperate to continue her investigation i...
ListenOrigin: Episode Four from 2016-08-30T15:57
The fourth in a major new nine-part conspiracy thriller, starring Romola Garai. Written by Matthew Broughton
Determined to discover who’s responsible for the plane crash, Helen continues h...
ListenOrigin: Episode Three from 2016-08-23T15:40
The third in a major new nine-part conspiracy thriller, starring Romola Garai. Written by Matthew Broughton.
Following a mysterious phone call, the crash of Flight 259 is declared an acci...
ListenOrigin: Episode Two from 2016-08-16T14:59
The second in a major new nine-part conspiracy thriller, starring Romola Garai. Written by Matthew Broughton.
Florian Chauvin was flying to Wales to tell his daughter Helen something impo...
ListenOrigin: Episode One from 2016-08-09T16:08
The first in a major nine-part conspiracy thriller, starring Romola Garai. Written by Matthew Broughton.
When Dr Helen Ash witnesses the brutal and disturbing crash of the plane that is c...
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