When their parents go missing on a routine mission, nine children are left to survive on the often dangerous and unforgiving red planet. Nineteen year old Freddie, together with her brother Pierre, must keep the younger ones safe, while they try to solve the mysterious disappearance of the adults. But Mars holds a secret so devastating that it will shake the very foundation of their world and alter forever humanity's view of the universe.

This is a dramatic science fiction adventure aimed at 14 years and older. It follows the development of six central characters, plus three younger ones, as well as endearing robots and other characters that come into the story later on. This is a story centered on a coming of age, where each character must grow to meet each new challenge and survive the hostile environment of the red planet