In the winter of 1945, when the shadow of a man falls on the face of the boy Walter, who is playing in the sun, no one suspects that this day will bring disaster to the Wagenknecht family. Something evil has returned with the homecoming Karl to Angeln, and it seems that it will take up residence in the Demeter windmill from now on. A horrific crime occurs, of which young Walter becomes a witness. The memories of it will haunt him for the rest of his life. Decades later, it is this very act that catches up with the Wagenknecht family. A stranger visits the Demeter windmill and reveals to the now-adult Walter Wagenknecht that he knows the terrible secret of this house. He makes demands that are nearly impossible to fulfill. Walter must confront his past. He realizes that he must break his silence and...