A group of friends are struggling to stay alive in a world destroyed by the solar debris that crashed down to Earth. The solar radiation unleashed during the impact has spread throughout the world, causing genetic mutations that are spreading rapidly. 　　译文(2): 一群朋友正在一个被坠落到地球的太阳残骸摧毁的世界中挣扎求生。撞击期间释放的太阳辐射已经扩散到全世界，导致基因突变迅速扩散。