Inspired by the adventures of Arsène Lupin, gentleman thief Assane Diop sets out to avenge his father for an injustice inflicted by a wealthy family.

The scam of the century, which occurred in France and Europe between 2008 and 2009. Billions gone up in smoke on the new financial market of "carbon quotas" invented to fight against global warming. The association of Belleville crooks with a trader from the wealthy neighborhoods, tracked by an obsessive investigator. When human passions are unleashed beyond simple interest. Based on the investigative book by Fabrice Arfi.

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.