Seven people have survived an unidentified causes destruction on the surface of Earth, leading them to Blake’s underground shelter. With the majority being scientists who were working on creating life outside Earth, they have to set up rules for living together at this new state. Helmar is the last survivor who enters the shelter, creating concerns about what is left on the surface as the versions of reality vary. Among scientists, Lucas stands out, a teacher who insists that he can see the truth if only go out into light, something that Blake believes certain death. They are divided into those who want to stay in the shelter and those who want to go out against the odds, giving a chance onto the continuation of humankind.