Mechanic Lucian, abandoned by The Ark, is rescued by The Aurora. He transforms it into a warship. Lucian crushes the Black Shark Fleet, enters the Abyssal Zone, and discovers he is a clone. Awakening the original Lucian, he learns the apocalyptic flood was man-made. His mission: collect energy matrices from twelve bases and build a climate control tower. Lucian defeats Black Shark headquarters, captures traitor Leonidas, and leads The Aurora to find remaining bases.