A Neverending Game (S04E07)

Caplan and Walter make their way back to Paris, driven by a blackmail scheme that compels Caplan to facilitate the escape of a mobster who threatens to expose him to Brabant, the Superintendent of police intent on taking down the SDPJ unit and tarnishing Caplan's reputation. Meanwhile, Georges Mandeville is also in Paris, on the hunt for a significant amount of money.