The end of the 21st century. On Earth, everything is collapsing under the onslaught of the third world war, unexpected and fleeting, called One Day. The planet is inevitably dying, and everyone understands that the future belongs to the largest of the Worlds that survived the disaster. But there is no peace here either. The main character of the novel, Marianne O'Hara, finds herself in a whirlpool of dizzying adventures, encountering a gang of fanatical avengers planning to hit New York with a hydrogen bomb, where the construction of a new interstellar ship is in full swing. Maddened by the horror and suffering brought by this war, masses of people are ready to populate one of the planets in the constellation Eridanus...