Non-humanoids from the future have found an effective way to conquer living space in the Galaxy. All they need is to send the “star fire extinguisher” into the past—and the process of extinguishing stars and destroying civilizations begins. However, the unpredictable inhabitants of the yellow dwarf system called the Sun learned about the dying “brothers in mind” and decided to resist the aggression. When other means of defense ran out, preparation began for an unprecedented expedition into the depths of the Sun…