When Jane Payne reaches her fifties, she loses her only son and cries so much that she goes blind from grief. Later, when she miraculously regains her sight, she stumbles upon a shocking sceneโher daughter-in-law is having an affair at home and plotting to kill her for insurance money. To survive, Jane pretends sheโs still blind. As she silently observes, hidden clues begin to surface, suggesting that her sonโs death may not have been an accident.