An au pair girl comes to work for a greedy couple who make money by renting her out to all the other tenants in their building.

Four corrupted fascist libertines round up 9 teenage boys and girls and subject them to 120 days of sadistic physical, mental and sexual torture.

A sequence of unpublished photographs by Deborah Beer taken during the filming of the torture scenes on the set of "Salo, or the 120 Days of Sodom" is accompanied by the voice - recorded by Gideon Bachmann - of Pier Paolo Pasolini who directs the actors: a portrait of the director and his way of working that testifies its determined and passionate “filmmaking"