Mr. Barnstaple, is a journalist working for the newspaper "The Liberal." he, as well as a few other Englishmen, are accidentally transported to the world of Utopia. Utopia is like an advanced Earth, it has a utopian socialist, world government. The newly arrived Earthlings pose a grave threat to Utopians, who begin to fall ill. They have to be quarantined until a solution is found. The Earthlings resent this isolation and some of them start plotting to maybe taking over Utopia?
A group of men, including the narrator, are listening to the Time Traveller discuss his theory that time is the fourth dimension. The Time Traveller produces a miniature time machine and makes it disappear into thin air. The next week, the guests return, to find their host stumble in, looking disheveled and tired. They sit down after dinner, and the Time Traveller begins his story.
This early science fiction story centers around an unnamed narrator living through various engagements between the British military and superior alien attackers. it describes an invasion of the British Islands by an advanced civilization from Mars. While the human defenders were hopelessly outmatched,they were still able to destroy several of the invading Machines. Will humans be able to survive this unusual invasion?