Brackish

Accidental demon resurrection with murder and mayhem. Jake loses his fiancée to a terrible accident and his friends take him on a camping trip to help him forget his troubles. They decide to camp out in the hidden Adirondack ghost town of Tahawus. While there Jake discovers a deadly secret that will let him bring his lost love back from the grave. Jake and his friends quickly learn that, at least in Tahawus, once they start, they do not stop.