Overview:

In the fourth season, chased by the D.G.S.E. and the C.I.A. all the way to Moscow, intelligence officer Malotru (Mathieu Kassovitz) tries to negotiate his return to France. The D.G.S.E.’s new head of Internal Security, JJA, initiates a full-spectrum audit of The Bureau and its new chief Marie-Jeanne, with the clear-cut intention of severing a few heads in the process.