Beatrice has discovered that her little sister Tess and her unborn baby were involved in a gene trial because of their family history of Cystic Fibrosis. With Tess still missing, she gets the news that Tess had already had the baby before her disappearance, but that the child died. Bee is distraught to think that Tess hadn't told her, and her suspicions increase that there is something sinister behind Tess's disappearance. An unsettling encounter with Tess' friend Simon, who claims to have been in love with her, only heightens her anxiety, and then she hears the dreadful news that Tess has been found dead in the snow outside a toilet block in a London park. Now, Beatrice must identify her sister's body and embark on her own hunt for Tess's murderer.

The reader is Hattie Morahan and the book is abridged by Lauris Morgan Griffiths.
Producers: Sara Davies and Christine Hall. Show less