Five adults who used to be outsiders at a summer camp reunite after years. However, their reunion is far from celebratory and quickly turns into a psychological ordeal. They discover that a dark, supernatural force is targeting them. This entity, known as the Sandman, brings their deepest and most gruesome nightmares to life. What were once innocent childhood fears now manifest as tangible and deadly danger. As the line between dream and reality blurs completely, the friends must confront their past. Tension rises as the Sandman attempts to trap them one by one in an eternal sleep. To survive, the former campmates must mend their old bonds and work together against evil.