123Movies. Set in Colorado’s Rocky Mountains, the story follows Nadia the night before her childhood home is sold. High on mushrooms, she and her friends inadvertently open a portal, plunging them into the astral-plane. There, she must face The Horned One, an ancient keeper of the land and of the water. To return to her body, Nadia must come to terms with her responsibility to her homeland and the water that it protects.