Tonight Nadege and Hugo, a thirty year-old middle class couple have their long-time friends over for dinner. Quickly, tensions and old conflicts are back. That's basically what the evening is going to be made of since each guest tries to be more cynical and mean than the other. This diner could be just one of these really lousy ones that everyone has once experienced unless Eve, Tanguy's gorgeous new catch, spice it up a bit. As a matter of fact, this girl who looks so naive and simple-minded could turn out to be way more surprising and weird than it seems and make this reunion a total nightmare...