Françoise and Jean-Jacques Lombard, very wealthy tax exiles whose fortune is based on the inventions of their husbands, are preparing to receive a couple of friends, Alicia and Grégoire Lagarde. He is a daddy's boy industrialist, She is a rich and stupid aristocrat. Everything could well happen if Alicia had not become infatuated with a spiritual coach who accompanies them to dinner. And inevitably, the varnish will end up cracking, especially when the guru will tell them the worst: their fortune is threatened.
