"Das unsichtbare Mädchen" (The Invisible Girl) is a 2011 German television thriller directed by Dominik Graf, which aired on ARTE on March 30, 2012, exploring the investigation of a cold case. The film follows a retired detective, played by Elmar Wepper, who reopens a case involving a missing girl, challenging the original conviction of a man with intellectual disabilities. For further details, visit CSFD . Das unsichtbare Mädchen (TV Movie 2011) - IMDb