Nazisploitation thriller directed by Patrice Rhomm and starring Malisa Longo, Olivier Mathot and Patrizia Gori. An SS officer named Elsa Ackermann (Longo) has organised a train full of women forced into prostitution to cater to the needs of German officers while they are on leave. In truth however, her objective is to spy on these officers and record their conversations in order to root out the traitorous and disloyal.