Documentary on Joe Hamman and his part in the first European western films made in France.
The film portrays the relationship between a female Moroccan student, who has been forced to leave her studies at the Sorbonne for financial reasons and works as a dancer in a Paris nightclub, and a French naval officer. However, on returning to Casablanca she is tricked into believing that he had the led attack on her village that wiped out her family. She begins to plot her revenge.
In the Camargue, a herdsman has just become engaged to a young local girl when his heart is troubled by a stranger who is playing the comedy of love for him. After this disappointment, he resumes the interrupted idyll.
The famous love affair between Mireille, a rich Provencal heiress and Vincent, a poor basket maker, thwarted by the jealousy of Ourias, a herdsman himself in love with Mireille.
A woman's marriage is on the rocks ; to avenge herself, she decides to take a lover for one night .So she buys all his stock from a balloon man and flies them through the Parisian sky ; all her balloons carry a message :"I will be alone after midnight" (hence the title); a lot a suitors comme to the rendezvous : a fisherman, a soldier, a traveler , a gentleman cambrioleur (a nod to Arsène Lupin?) and others ,much to Michel, a young man in love with her's displeasure.