The truth about the ailing state of the Haut-Rhin nuclear power plant in the tri-border region is to come to light - this is the goal of the assassin David Kollwein. He brings the power plant in his power and extorted policy and operating company. The German prosecutor Marie Hoffmann has only three hours to procure explosive information together with the French policeman Jean-Luc Laboetie and to prevent the meltdown in the reactor ...