Science fiction. The Watchers

This short science fiction is about a strange matter that is chasing the mother spaceship of a civilisation. And it is worrying the senior members of the civilisation, because whatever this matter comes in contact with is instantly dissolved and becomes a part of this destructive matter. Finally, the civilisation has only 4 hours left to decide before this matter engulfs their mother spaceship. So, they have no choice but to seek help from the Risk Squad. And they are bewildered on finding a few astonishing facts about this matter from the Hell. To know whether the civilisation survives or perishes, read this exciting science fiction story.