That day, there’s tension in the air: Marianne has her car and dog stolen from a highway parking lot. Stéphane is constantly arguing with his wife. Noémie can no longer stand her husband Aldo’s infidelities. A little-known orchestra performs for the last time…

JAM (Christian Clavier), a French "master of the universe" is on the brink of a major takeover when he starts suffering from anxiety attacks. His doctor (Lhermite) thinks it is to do with childhood experiences and suggests he searches back in his mind to something that could be the trigger and will prove to be the antidote.