Lost Girls tells the story of a true, still-unresolved series of murders on Long Island, centering on the experiences of the victims’ families instead of the police work involved. The film sheds light on the difficulties faced by Mari, a mother looking for her daughter Shannan, and points out what was a disappointing reaction from law enforcement as well as the prejudice those victimized experienced. While the development of individual characters, particularly Shannan and other people who were victims, isn’t extensive, the emotional weight of the story remains significant. The plot creates suspense through Mari's annoyance with the police and her personal battles concerning her history and role as a mother. Departing from what is usually seen in crime stories, this film emphasizes the families’ distress rather than detailed explanations of how the investigation unfolded. The slow reveal of Mari’s efforts to find out what happened becomes the central element, placing family struggles at the forefront. The ending is impactful and moving, including appearances by people actually connected to the case, which strengthens its emotional resonance. The acting, especially Amy Ryan's portrayal of Mari, is convincing and genuine, conveying the families’ sorrow and anger. It offers a stark depiction of a sad real-life event and is suggested for those who enjoy dramas based on actual crimes.

Source on TMDB