Was Zeus a Greek God or merely a space explorer? Following his mission to bring civilization to Earth, Zeus vanishes. 35,000 years in the future, in the Earth year 1957, he reappears in the Midwestern United States. Meanwhile, sixteen-year-old Alex Monroe escapes death in an Illinois train yard and is visited in his dreams by a strange girl. The next day, he discovers the girl in his dream is a new student at his high school named Circe. She tells him she is the reincarnation of Lachesis, one of the Moirae, or Fates, of Greek Mythology. An original offspring of Nyx and Zeus, she is an Eternal, from an advanced race of humans. Alex learns he may also be an Eternal, whose memories have been blocked. Other girls at his high school are also Eternals. Circe and Irene, who is the reincarnation of Atropos, take Alex under their protection, as Eris, the goddess of Strife, and not-so-nice Eternals attempt to rectify the mistake of his escaping death in the railroad yard. With Irene's help, Alex learns that his future as an Eternal is tied to the recovery of the Moire's youngest sister, Clotho. Alex journeys to find Clotho and discovers that his quest has only just begun.