The sea. The sand. A country road in northern France. A winter morning. A foggy morning. A bus abandoned at the side of the road. Inside: 15 bodies. 15 frozen bodies. With frost on their clothes. Fancy clothes, as if they were on their way to a ceremony. What kind of ceremony ? A winter morning. A foggy morning. A bus abandoned at the side of the road. Inside: 15 bodies. 15 frozen bodies. With frost on their clothes. Fancy clothes, as if they were on their way to a ceremony. What kind of ceremony? Sandra Winckler is assigned the case. Her first question isn't: “Who did it?” It's: “Why did they do it?”Sandra Winckler is assigned the case.