While in London studying for her dissertation and seeing her girlfriend, Ella has stumbled upon a crowd and a body with a disturbing lack of evidence.

Beginning her own investigations we hear her cross London and back again, taking on a stalker with a familiar face and discerning the uncomfortable meaning behind the victim's coded notebook.

Follow Ella's journey in this new series of familiar faces, mystery meetings and a book club you wouldn't want to join - all related to one unpleasant murder.

TW: stalker, murder, sexual implications