Betty and Victor are a pair of scam artists. One day Betty brings in Maurice, a treasurer of a multinational company. Maurice is due to transfer 5 millions francs out of Switzerland, and Betty is convinced he plans to steal that money.
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.
