More states and countries are passing right-to-die laws that allow the sick and suffering to end their lives at pre-planned moments, with the help of physicians. But even where these laws exist, they leave many people behind. The Inevitable moves beyond margins of the law to the people who are meticulously planning their final hours―far from medical offices, legislative chambers, hospital ethics committees, and polite conversation. It also shines a light on the people who help them: loved ones and, sometimes, clandestine groups on the Internet that together form the “euthanasia underground.” Katie Engelhart, a veteran journalist, focuses on six people representing different aspects of the right to die debate.