Returning to practice after a suspension for stealing opioids, a young doctor takes the only job he can find: a post as a physician at the struggling St. Luke's Hospital in east London. Amid the maelstrom of sick patients, overworked staff and underfunded wards, a more insidious secret soon declares itself: too many patients are dying. And a murderer may be lurking in plain sight.

Drawing on his experiences as a physician, Simon Stephenson takes readers into the dark heart of life as a hospitalist to ask the question: Who are the people we gift the power of life and death, and what does it do to them?