In the year 2092, Nemo Nobody is a 118-year-old man who finds himself as the last mortal amongst humans who have become immortal due to scientific advances involving the perpetual rejuvenation of telomeres. When Nemo is on his deathbed, he reviews three possible existences and marriages he might have experienced. References to the big bang theory, the nature of time, superstring theory, and memory help structure the plot.