A meteor explodes into the planet. Massive earthquakes rock the land as giant tsunamis engulf the coasts. Sleeping volcanoes violently erupt, filling the sky with clouds of suffocating ash, and soon, the world is shrouded in darkness. Last Day has come, bringing death, destruction, and despair. Yet hidden in a mountain valley, the Brigons manage to survive, but with no power and little food or water, their hope is fading into the eternal night. Then a voice calls out in the darkness and offers to bring them light. This is the story of Sam Mitchell, an engineer with one of the power managers in Brigos Glen. Seventy years have passed since light was restored to the village. Few remember the time before Last Day or the strangers who helped them in their time of need. But Sam has heard the stories and, with the guidance of his friend, seeks to help others as he goes about his seemingly unimportant, routine existence. That is, until he receives an ominous order from beyond the mountains...