Julien is searching for missing sex worker Natalie Rose. He meets Edward, Natalie's uncle, and the two men delve into the criminal underworld of Amsterdam's red light district.

The hunt is on for Edward, who has fled to England. Meanwhile, Julien and Genevieve plot an audacious move to try to turn Constantin and take down the Brigada.

As Julien and Genevieve outmanoeuvre Constantin, the Brigada make their own move and as Julien uncovers their inside source things lead to a dramatic conclusion.