When Dr. Samuels is contacted by another planet with the bombshell that the sun is burning out, and if not reversed, all life on both planets will die. He and the teams from two planets have to race against time to save everyone. When Dr. Samuels is contacted by another planet with the bombshell that the sun is burning out, and if not reversed, all life on both planets will die. He and the teams from two planets have to race against time to save everyone.