After inheriting his grandfather's abandoned mansion in the forgotten village of Black Hollow, Arjun Mehta discovers that the house hides a terrifying secret. Every night at 3:03 A.M., three mysterious knocks echo through the darkness, and anyone who answers is never seen again. As the walls begin to breathe, ghostly voices whisper his name, and the locked basement reveals unimaginable horrors, Arjun uncovers an ancient family curse that has claimed generations before him. With only seven nights to break the curse, he must face terrifying spirits, a haunted child, and an evil older than time before he becomes the house's next victim.