Dark Woods II (2015)

Dark Woods II is a horror movie set in an old building that was once a sanitarium. A group of people, including a caretaker and an environmental cleanup crew, find themselves trapped in the building and hunted down one by one by multiple killers. As they try to escape, they discover the disturbing secrets of the building, including its history of human experiments and Nazi involvement. The movie is filled with tense moments, suspense, and unexpected twists.