The earth's resources are depleted, and humans are migrating to deep space in large numbers. A few people stick to their homeland and become "deep space remnants." {Jiang Lin} is one of the survivors, struggling to survive among the ruins. One day, his old communicator suddenly captured a mysterious deep space signal, which contained the coordinates of the human immigrant planet, but also contained the tracking ripples of alien civilization. In order to lead his compatriots to find a way out, {Jiang Lin} took the lead in repairing the abandoned ancient communication tower and trying to contact the immigrant planet. But when the signal was connected, they were horrified to find that the immigrant planet had already been swallowed up by alien civilization. In a desperate situation, a dust-laden secret surfaced - beneath the ruins of the earth, sleeping is the last counterattack weapon of human civilization.