In the city of light, some deals are only made in the shadows. When a corrupt art dealer is killed, Detective Eddie Giral descends into an underground world of stolen paintings, forged identities, and whispered deals with Nazi Occupiers. As Eddie discovers links to a wealthy Jewish family's missing collection, the trail leads him to Paris's Jeu de Paume, where looted masterpieces have vanished - and where guarded curator Rose Valland gives nothing away.

But in Eddie's efforts to win her trust he forgets - can he trust her?

With Parisians turning against their neighbours to survive, and the different factions of the city's Occupiers entangling Eddie in their power struggles, the answers he needs lie in the museum's most secretive collection...