Rosy Winter is dying. Her husband, Charlie—kind, supportive, but somewhat out of his depth—offers what relief he can as she suffers. His sister, Sally, offers even less, distracted by a shift within her own husband. But beyond the homeopathic remedies, the dinner party obligations, the snatched whispers on wards and in staffrooms, a force —murderous, sensual, feverish—has been awoken and is stirring within her. A refusal to live, as much as to die.