Set after the events of The Missing 2. When the insightful but stubborn investigator Julien Baptiste and his wife are on a visit to Amsterdam, Baptiste is rapidly embroiled in a case that looks beyond the beautiful streets, canals and houses of Amsterdam to the seamy underworld beneath.
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.
Natalie reveals the full shocking truth about Edward and Julien has to tread carefully. When tragedy strikes, Julien becomes determined to uncover Edward’s true motives.
Julien confronts Edward and has to take drastic action to protect his family. But a personal bombshell forces Julien to face some secrets from his own past.
Julien goes in pursuit of the money whilst Genevieve coerces Edward to meet Constantin. However, Edward makes a reckless move that puts the entire case in jeopardy.
The hunt is on for Edward, who has fled to England. Julien and Genevieve plot an audacious move to try and turn Constantin and take down the Brigada.