A Franco-German journalist and blogger, who came to cover the "500 Nocturnes" (a famous Alsatian car race), is found murdered in the middle of the bridge spanning the Rhine. Justine is forced to team up with a German judge who directs the investigation in a direction she doesn't like at all. Intrigued by the German judge's obsession with the case, the French judge ends up "investigating" her - until she discovers her secret...
