Late filmmaker Luke Holland’s lifelong campaign reaches its final mission in a posthumous doc that challenges both the viewer and its controversial subjects. Over the course of a decade the director, whose mother’s family perished in the Holocaust, interviewed/ interrogated more than 300 former concentration-camp guards, Hitler Youth members, witnesses and other members of Hitler’s regime over their actions before, during and after WW2. The result is a frank, reflective and necessarily uncomfortable study of accountability, guilt and remorse (and sometimes a shocking lack of it), with contemporary relevance.