After Hurricane Katrina struck and power failed, amid rising floodwaters and heat, exhausted staff at Memorial Medical Center designated certain patients last for rescue. Months later, a doctor and two nurses were arrested and accused of injecting some of those patients with life-ending drugs. , the culmination of six years of reporting by Pulitzer Prize winner Sheri Fink, unspools the mystery, bringing us inside a hospital fighting for its life and into the most charged questions in health care: which patients should be prioritized, and can health care professionals ever be excused for hastening death? Transforming our understanding of human nature in crisis, exposes the hidden dilemmas of end-of-life care and reveals how ill-prepared we are for large-scale disasters—and how we can do better.