Captain Hannibal Pennac is retired and dreams of reconciling with his daughter Annabelle, also a police captain, who has just been transferred to Montpellier. But Anabelle is angry with her father and does not want to talk to him, because he left her when she was 6 years old. However, a mysterious case will force them to unite and Annabelle will have no choice but to work with her father.

Odette is a 8-yr-old girl who loves to dance and draw. Once she has become an adult, Odette realizes she was abused, and immerses herself body and soul in her career as a dancer while trying to deal with her past.

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.