Nu - Season 1 (2018)

While the assassination of Jean Lanvin upsets the whole community, Frank returns to live with his parents but he cannot adapt to the new law. He stays fully dressed and does not want to go out. Serge and Nathalie, his parents, organize a barbecue to help him.

Frank returns to the police but is now reduced to secretarial duties under the orders of Lucie who has risen in rank. He takes his return very badly as his colleagues don't stop making fun of him.

Finding himself as an investigator, more in line with his skills, Frank tries to advance the Lanvin case on several tracks. However his daily life in the world of nudity and transparency is difficult.

Miraculously saved, Frank is taken in hand by Fanny, a psychoanalyst with radical methods that forces him to confront himself, on his own and in his nakedness. After a hard start, Frank will gradually understand the true meaning of transparency and also fall in love with his shrink.

Frank and Lucie's investigation of Jean Lanvin's death makes progress. One lead takes them to Le Chéri, the swingers club in the city where everyone is dressed. The two policemen infiltrate the establishment and they discover in the middle of the party-goers a way which could bring them up to the rebels.

Lucie is willing to infiltrate the rebels' camp pretending to be a dissenter who wants to join their cause. She finally discovers that they aren't dangerous terrorists but rather nice protesters who are very poorly organized.

Lucie starts seriously questioning the mandatory nudity policy which leads to her making a major decision that could change her and Frank's life forever.