The year is 2077.Lukka, twelve years old, lives with her parents on Mars. Born on the Red Planet, she only knows her habitat and the nearby spaceport. Together with Jen and Loran, the only other teenagers who were born on Mars like her, she forms an inseparable unit.But when two new inhabitants arrive, their previously quiet life changes dramatically. Lukka discovers that her world is much larger and more mysterious than she ever imagined. Together with her friends, she sets out to solve the riddles and secrets surrounding her community.Suddenly, the children find themselves on an adventure that takes them to the limits of their imagination and beyond.