The lunar colonies have no lifeline. They must find a way to survive… for the sake of humanity. All Logan wants is to continue his engineering responsibilities and compete in the upcoming moon buggy race. But when disaster strikes, he must step up and negotiate politics, diplomacy and the perils lurking in the solar system to lead the human remnant into the future. A responsibility he doesn't want, but knows he must accept. No one else he trusts wants the job. He pleaded for volunteers! And he knows the alternative is too frightening to even contemplate. But when everything seems headed in the right direction, an even greater danger threatens to wipe them out entirely…