Not long after Vincent meets the vivacious Pandore at the Montreal port for a business meeting, the two are soon rolling around in a hotel room. Vincent's ardor cools for the lass when he learns of her ominous secret, and his button-down wife Ariane walks out on him.

It's summer and it's hot in Montreal, and we meet many people: Rita, the nice homeless girl, who moves to Roxan's house; Henriette, who falls in love with her neighbour, Lloyd, the sexual-obsessed radio host, and a young couple, Marc and Loulou, whose relationship is in danger because of Loulou's affair with Lloyd, and many more, as the summer becomes hotter and hotter...