The book follows a teenage boy who, after dying from a terminal illness, has his head cryogenically frozen and then reawakened five years later when it is attached to a donor body. As he navigates the complexities of his second chance at life, he struggles with the drastic changes in his relationships, the world around him, and his own identity. His return challenges not only his own sense of self but also the perceptions and emotional landscapes of those he left behind, leading to a poignant exploration of love, loss, and what it truly means to be alive.