Imogen is a British NGO worker in a refugee camp on the border of Syria and Turkey. A woman known as Adilah El Idrissi is targeted by the community, who identify her as a notorious ISIS commander, and Imogen barely focuses on her predicament, vowing to get Adilah to safety. Together they escape to Istanbul and then to Paris. Meanwhile, Imogen tries to uncover Adilah's true motives and background, under the surveillance of both French and American intelligence services, before it is too late.