Lana is a faded movie star who lives alone in a big house on a hill that overlooks the sea. She has lived this way since the death of her daughter and the disappearance of her husband. Jeff and Chloe are a couple who live in a cabin below the big house. It was Chloe's idea to strengthen their marriage, but she sees now that it isn't working. Jeff has become obsessed with the cabin and an old well. Chloe only sees strangeness around her. One night...