Would you go on a one-way trip to explore a new planet? Would you do it to save humankind? 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.