Inferno: Letters from Auschwitz

Inferno: Letters from Auschwitz (2020) is a documentary, history directed by Yoshioka Fuyuki rated 8.5/10.

After mysterious notes found at Auschwitz are discovered to be written by the Sonderkommando, a unit of Jewish prisoners tasked with guiding other prisoners to the gas chambers, experts look into the lives of these prisoners labelled as traitors.