A Duchy of Normandy crank nostalgic wants to give his homeland back its power of days gone by. He wants to create a huge historic park to the glory of William the Conqueror, helped by an upstart documentaries director.

Hakim has to foil the plans of a shady developer : the count of Neuville. Helped by his friends, he seeps into the count's castle, but he also has to prepare his wedding with Julia.

At the Festival d'Avignon, all kinds of theatre coexist without ever really mingling. Stéphane acts in a popular comedy while Fanny plays in a classical piece by Victor Hugo. In order to seduce her, Stéphane makes her believe he is playing the role of Rodrigue in Corneille's renowned masterpiece: Le Cid.

Hakim, 35, a friendly neighborhood cop, must infiltrate the Portuguese community for the purpose of an investigation. But can one become Portuguese in three days? Especially when we know that Hakim is a walking disaster at undercover operations. His clumsiness and bad luck turn his many infiltrations into cataclysms. The case is clearly too big for him. Quickly trapped between his feelings and his mission, Hakim, who lives alone with his mother, will discover a community, but also a family.

This morning, Paul Sérédat, a member of parliament campaigning for reelection, hears it on the radio: he has slipped up. And apparently, not just a little! He panics: what on earth could he have said to deserve such a media storm? He rushes to his computer to uncover the source of the scandal.