Marc Lamigeon

When Internal Affairs officer Stéphanie investigates a young man severely injured during a chaotic Paris demonstration and finds no police misconduct, the routine case hits close to home upon her discovering the victim is from her native town.

Astrid Nielsen works in the library of the judicial police. She has Asperger's syndrome. With an incredible memory, she excels at analyzing files of ongoing investigations. The district commander decides to use it to the fullest, entrusting her with very complex investigations which have remained unsolved to date.