The film takes place during the Franco-Prussian war in 1870 and deals with a brutal Prussian Officer, who rules a French village. His nickname is "Mademoiselle Fifi". When a stagecoach brings some passengers to town, the Prussian officer wants to kill them all. One of the passengers is Elizabeth, who shall surrender herself sexually to the tyrant, to secure the freedom of the passengers. On her "mission" she is abled to eliminate "Mademoiselle Fifi".