Nowadays, in a France where the monarchy has never been abolished, a plane crash costs the life of the entire royal family. Samia, a naive teacher without authority, learns that her son Cédric, a simpleton teenager born of a temporary union with a nobleman, is the heir to the throne. Now named Louis 28, Cédric has many projects for the kingdom such as "the abolition of math", but he will come up against the directives of a retrograde regent and ready to do anything to trip him up. Mother and son are thus propelled into a courtyard where these "toothless" are the object of all treachery.

During the reign of King Louis X the Hutin, his wife Marguerite indulged in parties of pleasure in the secrecy of the Tour de Nesle. Her young lovers were also her victims, and she had them murdered to avoid detection. Such was the fate that awaited Philippe d'Aulnay, who had barely arrived in Paris and who, in one night, had gone from the arms of the sovereign to the bottom of the Seine. What the queen doesn't know is that among his companions in debauchery that night was a certain Buridan. An adventurer, ready to do anything to conquer money and power - including blackmailing the Queen of France... This is the beginning of a merciless war between these two beings, with one spectacular turn of events after another, horrifying revelations and the crossfire of hatred and love.

Two Parisian high school students murder a woman they chose as a victim from a chance encounter.

Eddie, Dov, Yvan and the others ... Our warm friends have migrated from the moribund Sentier to the flourishing suburb of Aubervilliers ... Where the old Jewish entrepreneurs left the ground to young courageous and dynamic Chinese wholesalers ... The little band is as close to each other as in previous episodes, and life goes on at the mercy of small family events and business. Dov still seems frivolous, enterprising Eddie, chilled Yvan, casual Karine, resolute Sandra, naive Chochana, irresponsible Serge and mythomaniac. As for Patrick, he is in love and the happy elected is far from easy to access. Everything would be fine until a bad wind brings its share of adversity seriously compromising the cohesion of the group. Will they succumb under the storm to the turmoil, or, once again, by mutual aid, cunning and skill, will they triumph over the crisis with panache?

At a meeting of the game "Truth or Dare?" two young boys, Matthew and Maximus, are challenging to embrace. The kiss will cause them some excitement. From that time, teens who witnessed this scene are allusions more or less directly to the possible homosexuality of Maxim. A revelation will then destabilize the group.