Ex-soldier and adventurer, Petros Kyriades and William (Bear) Morris, ex-SAS sergeant are The Collectors. Hauptman Geller a WW II Junkers pilot crashes in the Sahara Desert while transporting diamonds for Hitler. Geller's granddaughter, Eva Engel, believes they remain hidden close to the wreckage. After the fall of Muammar Gaddafi, Libya is unsafe while radical factions struggle for control. Petros and Bear assemble a five strong team and with Eva enter Libya. In the heart of the Sahara this specialised squad find themselves fighting for survival in the most inhospitable place on earth.