The plot of this tale explores themes of immortality, power, and the implications of technological progress. The plot takes place in the future, where an outstanding researcher named Dr. John Thane has discovered a way to obtain biological immortality. Thane's discovery, called as the "immortalizing ray," allows people to live endlessly without the limits of aging or sickness. However, this newfound immortality comes at a cost: those who take the treatment become psychologically static and lose the will to learn or experience new things. A collection of people who have received the preserving ray treatment have formed the "Legion of Lazarus." This group strives to keep the secret of immortality hidden while retaining power and control over society. The narrative follows a protagonist which learns about the Legion and the consequences of their acts. He is torn between revealing the secret of immortality to the rest of the world and keeping it hidden, recognizing the possible benefits and threats it brings to humanity. "The Legion of Lazarus" poses provocative concerns about the ethics of immortality, the pursuit of knowledge, and the delicate balance of power and responsibility.