D'Artagnan, a spirited young Gascon, is left for dead after trying to save a noblewoman from being kidnapped. Once in Paris, he tries by all means to find his attackers, unaware that his quest will lead him to the very heart of a war where the future of France is at stake. Aided by King's Musketeers Athos, Porthos and Aramis, he faces the machinations of villainous Cardinal Richelieu and Milady de Winter, while falling in love with Constance, the Queen's confidante.

In Paris in full German occupation in 1942, a Jewish child Isaac escapes a raid organized by the SS. He then took refuge in the Great Mosque of Paris. The imam decides to protect him by passing him off as a Muslim, as well as the other Jewish children that he manages to free with the help of the resistance networks. The French militia and the Gestapo have suspicions... This fiction film is based on the true story of the rector of the Paris mosque, Si Kaddour Benghabrit, who saved several Jews from deportation during the Second World War.

State secrets, sincere convictions, ecstatic crowds, a regal lifestyle, prying journalists, suspicious disappearances: what goes on behind the scenes in the halls of power or the daily life of a President.