In the final era when human civilization is about to extinguish, a mysterious extraterrestrial star fragment falls into the wasteland. Legend has it that it can restart the extinguished sun. The last night watchman - an ancient warrior forgotten by time, embarked on a desperate journey to find the fragments alone in the eternal night and the hunting of mutated monsters. However, the price for the fragment's awakening actually required the sacrifice of his remaining memory and humanity. When dawn and self can only choose one or the other, is this redemption still worth it?