Françoise Engel

A country priest receives his bishop with the mission of converting a nudist camp.

The film is a 125-minute, black-and-white biography of French priest and diplomat Charles Maurice de Talleyrand-Périgord (1754–1838), who served for 50 years under five different French regimes: the Absolute Monarchy, the Revolution, the Consulate, the Empire, and the Constitutional Monarchy. Its title comes from one of the main historical nicknames for Talleyrand, that he shares with demon king Asmodeus and English poet Lord Byron.

Val Brosse, a private detective, receives Françoise, who confesses to him that she murdered her husband. The story is false, but Val, intrigued, decides to investigate.

It is the start of the 14th century and Philip IV the Fair reigns supreme over France. His three sons would rule after him. Isabelle, his only daughter, is married to King Edward II of England. Under Philip's reign, France is great but its people are unhappy. Only one power dares to stand up to him: the order of the Knights Templar. When the last Grand Master of the Temple, Jacques de Molay, is burned at the stake, he curses Philip and so begins a dark period, full of blood and violence, death and tears ...