The Syrian refugee crisis just became personal for Inspector Esa Khattak and Sergeant Rachel Getty.  NGO worker Audrey, sister of Khattak's childhood friend, is missing. A French Interpol Agent and a young Syrian man are found dead at the refugee camp where she worked. Esa and Getty travel to Greece to trace Audrey's movements in a attempt to find her. In doing so, they learn that her work had strayed well beyond the remit of her NGO...Had Audrey been on the edge of exposing a dangerous secret - one that ultimately put a target on her own back?