When Captain James T. Kirk hovers on the brink of death, even Dr. McCoy’s skill and Spock’s logic cannot save him. Enter T’Kar, a young Vulcan nurse whose mysterious gift defies science and legend alike. As Kirk awakens healed but haunted by amnesia, his fate—and the future of the Enterprise—rests on unraveling the truth of her power, the secrets of Vulcan’s past, and the decision Kirk cannot remember making.