Frédéric Dimnet

A young mother Nina and her son Enzo find themselves sleeping on the streets of Paris. Eventually there lifestyle leads them to Versailles.

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.