A scientist discovers he is immortal. His first reaction is intense happiness, and he makes plans for his future and that of his family. But then he has to watch his family grow old and die, while he stays young and healthy. What can he do with the gift of forever? What should he do? Can he erase from his mind and heart all feeling and the need for love? And worse, can he always be sure of his superiority in a changing world? He will have to answer all these questions and more, when he discovers other immortals and must make a decision.