Per favore, fammi felice!

Ariane is convinced that her boyfriend, Jean-Jacques, is having fantasies about another woman, Élisabeth. In an attempt to save their relationship, Ariane encourages Jean-Jacques to pursue Élisabeth, believing that this is the best way to free him from his own desires. Jean-Jacques presents himself at Élisabeth's house, not realising that she is the daughter of the French President.