A man is too shy to ask a girl out and decides to kill himself. While lying in the road he is rescued by a Doctor who tries to cure him by implanting the heart of a rooster into him, something which suddenly makes him irresistible to women.

Afin de voir la femme qu'il aime, un millionnaire achète un magasin de chaussures. C'est alors qu'il tombe amoureux d'une des vendeuses.

Brussels in the year 1568, as the Flemish people are fighting against the tyranny of the Spanish occupiers. Led by Count de Rysoor, the revolt against the ruthless Duke of Alba, is meant to help Prince William of Orange to get into the city and come to power. Now, the count's lieutenant, has an affair with Elisabeth, Rysoor's wife. For the time being, the count, who thinks of his homeland first, turns a blind eye. But such a relationship might well undermine the whole rebellion movement.

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.