In a small, forgotten town, a mysterious tunnel harbors a chilling secret. When a group of curious friends decides to explore its depths, they uncover a haunting past that threatens to consume them all....

Deep in the heart of an ancient forest, a drilling crew uncovers a forgotten tunnel, housing a chilling secret. As they delve deeper, they are haunted by inexplicable events, leading them to confront the past and the supernatural forces that lie within....