Sky just wanted to avoid her estranged grandmother with Alzheimer’s—but when she finally visits, she uncovers a haunting mystery. Surrounded by ghostly figures that vanish from memory the moment they’re unseen, Sky and her friends find themselves trapped in a terrifying cycle of forgotten horrors.

On a college campus in modern America, ideas that have long been neglected as "issues of the past" emerge as racial tensions and frictions grow between different student groups.