Watch on 123Movies. A few years ago, the police shut down a construction site where a suspected workplace accident occurred, with the foreman identified as the prime suspect. In the incident, a worker was killed, and the investigation subsequently stalled due to a lack of evidence. Strange occurrences begin to unfold when a group of friends decides to have some fun inside the abandoned building—only to discover that they are not alone. This discovery could lead them to face terrible consequences.