Mildred is haunted by the remnants of her past, including an old photograph of a man she once knew, and a mysterious letter she discovers among her late father's belongings. As she reflects on her life, memories that had long been buried begin to resurface, unraveling secrets darker than she could have ever imagined. The line between reality and her own psychological torment blurs as she becomes increasingly convinced that she is not alone in the room, nor in the twisted journey her past is pulling her into. As the boundaries of her mind are tested, Mildred must confront the terrifying truth that the shadows of her memories may not be as distant as she believed.