David Wozniak is a perpetual adolescent who discovers that, as a sperm donor, he has fathered 533 children. He is advised that more than 100 of his offspring are trying to force the fertility clinic to reveal the true identity of "Starbuck," the pseudonym he used when donating his sperm. To make matters worse, his girlfriend Valérie is pregnant with his child, but doesn't feel that he is mature enough to be a father.

Paul Bougon ignites social media networks and public opinion after his brief participation in a television program. Having become an instant celebrity thanks to his outspokenness, he decides to go into politics and founds his own party. With the help of his devoted entourage and at the head of the PEN (Parti de l’Écœurement National) [National Disgust Party], he wins the elections and becomes Premier. The challenges of his new career place him in front of heartbreaking choices.