Romy Silvers and her parents left Earth on the spaceship "Infinity" 6,817 days ago. In that time, Romy's parents died in a tragedy, and now she is utterly alone save for brief messages from her therapist transmitted from Earth. Then, NASA sends word that "The Eternity" will be joining "The Infinity" soon. Excited, Romy begins exchanging messages with J, the new ship's commander. But, as she uncovers more about J's mysterious mission, she will learn that sometimes, being alone is not the worst thing in the universe.