After the shooting, the BRI must deal with the crime squad to find the two shooters. Socrates obtains the name of one of the shooters involved: Aslan. The group tails him but the situation gets out of hand.

Socrates confesses to his team that he was actually recruited to investigate high-ranking narcotics agents suspected of corruption. For his part, the eldest son of Éric Perez survives an assassination attempt. Moreover, informed by an informant from Julien, the team prepares to intervene in the robbery of a jewelry store. Saïd must carry out his operation at all costs.