Earth's overpopulation and dwindling resources force the United Earth Space Agency to expedite exploration of new planets for a possible new home. When new crises ensue—a giant tsunami and the threat of nuclear winter—the timeline changes. Eight years of training crammed into four. Sara Grenard and her team prepare for launch, but are they ready for the one-way trip? Will the Goldilocks planet prove just right for Earth's inhabitants? Before time runs out.