The town of Epecuen was flooded on November 10th 1985 and was deep underwater for over 30 years. When the waters receded, the town was still intact and stayed deserted, at least so they thought. A group of young people takes a trip to the ruins in order to film a documentary about Epecuen. Ignoring warnings, and after a brief tour, they get stranded in the abandoned village. Contrary to what they thought, they begin to realize that they are really not alone...