A new novel from the acclaimed author and broadcaster as part of Quick Reads 2022 and World Book Night.\n\nHelen is a retired teacher living on the Irish coast. She enjoys the peace and quiet\u2014despite the burden of Margaret, her unpleasant sister. Margaret arrived three years ago for a short holiday but somehow managed to stay and worm her way into Helen's life.\n\nOne day, Helen sees a man struggling in the sea and decides to investigate. She doesn't quite know what it is, but something about it feels very strange....