What the Waters Left Behind (2017)

In the 1980s, an event wiped the town of Epecuén off the map. Years later, a group of young people travel to the ruins to film a documentary. Ignoring warnings, they stay in this place where they meet a strange family and discover that they are not alone. These sinister characters are killers determined to prevent their escape. A classic slasher in an apt location, directed by Argentinean brothers Luciano and Nicolas Onetti.