A Parisian valet loves a woman who rejects him: she's in debt to open a bookshop, and he's not her ideal man. A billionaire two-times his wealthy wife with his beautiful mistress, a young supermodel. To draw the paparazzi and his wife off the trail of adultery, and to give his lawyer time to arrange a divorce that won't cost him a fortune, the billionaire pays the supermodel and the valet to pretend for a month to be a couple. Within days, the bookshop owner and the billionaire are jealous, the supermodel experiences life with a nice guy, and the valet has status and self-confidence. What will each do with newfound wisdom?