Ex-SAS major and kidnap recovery specialist Ben Hope is looking for peace in a quiet Spanish town. Raul Fuentes can't accept that his sister, Catalina, took her own life. Ben isn't convinced, but ghosts from his own past compel him to help Raul discover the truth. What connects Catalina's apparent suicide to the suspicious fate of three of her fellow scientists? And why do a gang of professional killers follow Ben and Raul wherever they go?