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A trip to France with her husband on a luxury motor yacht turns Sam's life upside down.
BBC Radio 4 Extra
1/4 Can Dr Heaven locate Agent Frank, lost somewhere in an experimental company town?
Nat Hocken and his family are disturbed during the night by the sounds of birds.
7/9 Helen and her mother are kidnapped, and the secrets between them begin to unravel.
BBC Radio 4
6/9 Helen uncovers disturbing details of a dark and illicit industry.
5/9 Confined to her hospital bed, Helen is desperate to continue her investigation.
4/9 As new information comes to light, could a little boy locked in a coma hold the answers?
8/10 With Andrei arrested, will anyone help pregnant Anna with her inquiries?
10/10 Volkov gives Andrei a way out of execution, while Anna waits to give birth in hiding.
9/10 Andrei comes face to face with Gorya's father Volkov, and learns what the powerful can do.