Fired for insubordination, PJ Antoine Verlay, good cop but a blood strand and having difficulty working as a team, is attached to the OCBC (Central Office for the fight against Traffic in Cultural Goods) thanks to the intervention of the commander Pardo, his friend who becomes, therefore, his new superior. A clever investigator, but a stranger to everything related to culture, Antoine will have to work with Florence Chassagne, renowned art historian, who lives, speaks and breathes culture, to the point that - fruit of her great imagination - it happens to her in the midst of daydreams, to see and talk to the great artists who have disappeared as if they were familiar to her.

Samba migrated to France 10 years ago from Senegal, and has since been plugging away at various lowly jobs. Alice is a senior executive who has recently undergone a burnout. Both struggle to get out of their dead-end lives. Samba's willing to do whatever it takes to get working papers, while Alice tries to get her life back on track until fate draws them together.

Alexandre Taillard de Vorms is a force to be reckoned with. With his silver mane and tanned, athletic body, he stalks the world stage as Minister of Foreign Affairs for France, waging his own war backed up by the holy trinity of diplomatic concepts: legitimacy, lucidity, and efficacy. Enter Arthur Vlaminck. Hired to write the minister's speeches, Arthur must contend with the sensibilities of his boss and the dirty dealings within the Quai d'Orsay, the ministry's home.