In the shadow of New York's forgotten Staten Island, urban legend bleeds into terrifying reality in this chilling documentary horror. Filmmakers Joshua Zeman and Barbara Brancaccio return to their childhood home to investigate the local boogeyman known as Cropsey, a figure said to lurk in the ruins of the abandoned Willowbrook Mental Institution. What begins as an exploration of campfire tales soon descends into a harrowing examination of a true-crime nightmare, as the myth becomes inextricably linked to the disturbing disappearances of several children in the 1970s and 80s. The filmmakers, alongside interviews with journalists like Geraldo Rivera and community members, navigate a labyrinth of decaying asylum tunnels, whispered rumors, and a deeply unsettling criminal case that fractured their community. This gripping thriller masterfully blurs the line between folklore and true horror, crafting an atmospheric and deeply unsettling journey into the heart of a darkness that was all too real.