When Leo and Naomi are drafted, along with twenty-two of the world's brightest teenagers, into the International Space Training Camp, their lives are forever changed. Overnight, they become global celebrities in contention for one of the six slots to travel to Europa—Jupiter's moon—and establish a new colony, leaving their planet forever. With Earth irreparably damaged, the future of the human race rests on their shoulders.

For Leo, an Italian championship swimmer, this kind of purpose is a reason to go on after losing his family. But Naomi, an Iranian-American science genius, is suspicious of the ISTC and the fact that a similar mission failed...