'What do you think has happened to her?' 'I don't know. Listen...' She paused to light a cigarette. 'Laura is a troubled girl. She seemed to be always on the run, if that makes sense. You'll do your best?' 'My best?' 'To find her. To bring her back safely from whatever dark place has claimed her.' 'Yes, I promise.'

After a French girl goes missing in York, a young detective called Elodie Duquette arrives from Bordeaux to join the investigating team. The investigation takes Elodie and her English colleague Tom Gould to Paris, Bordeaux and finally the Mediterranean coast. The story explores the complicated feelings of the police officers and the enigma of the French girl's rich and powerful family.