Lemoine's lawyer is found dead. The prosecutor says the investigation Vanderbeke to the Central Office for the Repression of Banditry, led by Commander Marceau. Eddy and his team must find the first mobster to avoid being compromised. During this hunt, the death of Rossi takes a new light when his wife, Helen, documents discovered in a secret safe. While Walter and Theo's friend questioned Lemoine, Eddy goes to one of his contacts to find it. But Commander Marceau managed to find Lemoine together the team of Eddy.
