A case, that remained a mystery for nearly thirty years. The desperate search of one brother for his sister. And the agony of those who are left behind by a chillingly brutal crime.

根据哈沛·科可林Hape Kerkeling的书《我出去一下Ich bin dann mal weg》为基础改编，作者在书中描述了他在圣雅各之路（一条朝圣路线）上的旅程，以及他在那里遇到的人们的旅程。