Belgian screenwriter Carl Joos is writing the screenplay for the new film by the Dutch production house Fu Works. The film about the kidnapping of Toos van der Valk will be released in cinemas in 2013. Carl Joos previously wrote the screenplays for the successful Flemish films "Dossier K" (photo) and "The Alzheimer Case". He also contributed to the scripts of the TV series "Flikken", "Recht op Recht" and "Windkracht 10".