Claudia and Anna join Anna's lover, Sandro, on a boat trip to a remote volcanic island. When Anna goes missing, a search is launched. In the meantime, Sandro and Claudia become involved in a romance despite Anna's disappearance, though the relationship suffers from guilt and tension.
In a Nazi concentration camp, German soldiers shamelessly abuse the inmates, mocking and brutalizing them. But the prisoners never give up on the violence they have suffered, convinced that they can rebel and take revenge.
