After a collision with a comet, a nearly 8km wide piece of the asteroid "Orpheus" is heading towards Earth. If it will hit it will cause a incredible catastrophe which will probably extinguish mankind. To stop the meteor NASA wants to use the illegal nuclear weapon satellite "Hercules" but discovers soon that it doesn"t have enough fire power. Their only chance to save the world is to join forces with the USSR who have also launched such an illegal satellite. But will both governments agree?陈源和苏云更惊讶的是,那些飞在大楼上空来回盘旋的飞行器,此时都在往下抛着一大捆一大捆的物资,包装的严严实实,加上高度原因,陈源和苏云看不清那些飞行器上抛下来的是什么。