After nature writer Gretel Ehrlich was struck by lightning near her Wyoming ranch and almost died, she embarked on a painstaking and visionary journey back to the land of the living. With the help of an extraordinary cardiologist and the companionship of her beloved dog Sam, she avidly explores the natural and spiritual world to make sense of what happened to her. We follow as she combs every inch of her new home on the California coast, attends a convention of lightning-strike victims, and goes on a seal watch in Alaska. Ehrlich then turns her focus inward, exploring the tiny but equally fascinating ecosystem of the human heart, and culminated in a stunningly beautiful description of open-heart surgery.