Captain Justin Mollenard works for a company that sells armaments to the Far East. After an eventful stay in Shanghai, where he and his cargo are the victim of a malicious attack, he returns to his hometown of Dunkirk. Mollenard receives a frosty welcome from his wife Mathilde, who resents the way in which he has neglected his family for so many years. Mollenard’s only wish is to get back to sea as soon as he can, but a sudden heart-attack leaves him paralysed and entirely in his wife’s power...

Franz Ferdinand, heir to the throne of Austria-Hungary, is kept absent from the royal court due to his dangerous political ideas. Sent on a tour of inspections and inaugurations, he falls in love with Countess Sophie Chotek.

In the First World War, when Paris is expected to fall to the Germans, the attractive widow, Princesse de Bormes, organises a convoy of cars to evacuate the wounded from the front, and bring them back to her villa in Paris to recuperate. The authorities will not give them passes until an innocent 16-year-old boy, Guillaume Thomas de Fontenoy, joins them and is mistaken as the nephew of the popular General de Fontenoy. The Princess is enraptured by Thomas and her daughter, Henriette, falls in love with him. However Thomas feels impelled to see more of the action of the war.

While on holiday on the French Riviera, former soldier Robert Teller recounts his time in WWII-era France, where he meets and falls in love with a poor girl named Lise. However, they're unable to marry when Lise is accused of prostitution and Teller's commanding officer forbids the match. The couple's love is again tested when Teller learns the truth about his would-be wife's whereabouts.

François Donge, a rich industrialist and womaniser, meets a girl nicknamed Bébé who he marries. Ten years later, poisoned by his wife and dying in hospital, he recalls his married life and understands how his wife who adored him suffered from his many affairs and indifference.