Claire et Bruno forment depuis douze ans un couple établi, une "institution". Au cours d'une journée à la campagne réunissant tous leurs proches, ils vont, par jeu, prétendre qu'ils se séparent.
The Three Wise Men – Balthazar, Melchior and Gaspard – are on their way to Bethlehem to pay homage to the infant Jesus when they are suddenly, an inexplicably, transported two thousand years into the future. They find themselves walking the streets of Paris, where they encounter a young woman called Macha who, they are convinced, will lead them to the newborn Messiah.