Synopsis
On a quest for traces of the "invisible camp“. A search for the last evidence of humanity in the darkest chapter of Austrian history. 75 years after the end of the Nazi terror regime and the liberation of the concentration camps Mauthausen and Gusen, the filmmakers are determined to keep the promise they made to one of the three leading protagonists of this essayistic documentary: to make sure that what happened in Gusen will never be forgotten.