The action of the TV show takes place in the post apocalyptic future. The main hero Cole was sentenced for improper conduct and disrespect for the authorities. He is to try his best to earn forgiveness. For that purpose he agrees to go to the past and to take the samples of the virus that destroyed people. Survivors have hidden under ground and the scientists have managed to create the technology to enable time traveling. Cole is a victim of the experiment. He has no choice. He has to restore the trust somehow.