A group of science grad students working on a longshot project realize they’ve cracked the key to time travel - or will - when their future selves start interfering with their lives.
Mateo wants to escape his frozen world of criminals and mammoth ranchers. But when their bull mammoth is killed, the family ranch is thrown in jeopardy. His father has a plan, but it involves the criminals Mateo despises.
Inasmuch as this ship was the only one to leave the earth before the explosion, the crew can perform an agreement between them to be the rulers of the small amount of the new colony population, thus creating a new order - authoritarian -, different from that established case all ships managed to escape Earth and not as few as this ship.