"Zero K" is a novel by Don DeLillo that explores themes of mortality, technology, and the human condition. The story revolves around a wealthy man named Ross Lockhart, who is involved in a cryogenic facility that offers the chance to preserve life after death. The narrative delves into the ethical implications of such technology and the emotional struggles of those who confront the idea of eternal life. The novel is set against a backdrop of contemporary society, where advancements in science and technology challenge traditional notions of life and death. Through its characters and their experiences, "Zero K" raises questions about the meaning of existence and the desire to escape the inevitability of mortality.