A divorced woman named Riley Bell takes a caretaker job for an elderly widow, Betty, who lives completely cut off from modern life. As Riley tries to understand Betty’s strange isolation, she uncovers a hidden past connected to a 1960s university experiment involving four gifted young women with possible psychic abilities. Decades earlier, those women were part of groundbreaking parapsychology research before mysteriously disappearing, with the entire program erased from history. Moving between Betty’s past and Riley’s present, the story follows a buried mystery, paranormal secrets, and the dangerous truth behind what happened sixty years ago.